Merge changes I765a7fa0,Ic33f0b6d,I8d1a88c7,I381f96be,I698fa849, ... into integration

* changes:
fix(cpus): clear CPUPWRCTLR_EL1.CORE_PWRDN_EN_BIT on reset
chore(docs): drop the "wfi" from `pwr_

Merge changes I765a7fa0,Ic33f0b6d,I8d1a88c7,I381f96be,I698fa849, ... into integration

* changes:
fix(cpus): clear CPUPWRCTLR_EL1.CORE_PWRDN_EN_BIT on reset
chore(docs): drop the "wfi" from `pwr_domain_pwr_down_wfi`
chore(psci): drop skip_wfi variable
feat(arm): convert arm platforms to expect a wakeup
fix(cpus): avoid SME related loss of context on powerdown
feat(psci): allow cores to wake up from powerdown
refactor: panic after calling psci_power_down_wfi()
refactor(cpus): undo errata mitigations
feat(cpus): add sysreg_bit_toggle

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chore(docs): drop the "wfi" from `pwr_domain_pwr_down_wfi`

To allow for generic handling of a wakeup, this hook is no longer
expected to call wfi itself. Update the name everywhere to reflect this
e

chore(docs): drop the "wfi" from `pwr_domain_pwr_down_wfi`

To allow for generic handling of a wakeup, this hook is no longer
expected to call wfi itself. Update the name everywhere to reflect this
expectation so that future platform implementers don't get misled.

Change-Id: Ic33f0b6da74592ad6778fd802c2f0b85223af614
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>

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Merge changes from topic "bk/warnings" into integration

* changes:
docs: describe the new warning levels
build: add -Wunused-const-variable=2 to W=2
build: include -Wextra in generic builds

Merge changes from topic "bk/warnings" into integration

* changes:
docs: describe the new warning levels
build: add -Wunused-const-variable=2 to W=2
build: include -Wextra in generic builds
docs(porting-guide): update a reference
fix(st-usb): replace redundant checks with asserts
fix(brcm): add braces around bodies of conditionals
fix(renesas): align incompatible function pointers
fix(zynqmp): remove redundant api_version check
fix: remove old-style declarations
fix: unify fallthrough annotations

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fix: unify fallthrough annotations

Compiling with -Wimplicit-fallthrough=3 (enabled by -Wextra) produces
many warnings about fallthrough comments either missing or being wrong.
Unify the comments so

fix: unify fallthrough annotations

Compiling with -Wimplicit-fallthrough=3 (enabled by -Wextra) produces
many warnings about fallthrough comments either missing or being wrong.
Unify the comments so we comply with -Wextra.

Note that Coverity recommends against using the __attribute__ directive.
Also, zlib does not build with a higher value of -Wimplicit-fallthrough.
Finally, compilers strip comments before expanding macros. As such,
checkpatch's fallthrough annotation (or higher levels of the flag) isn't
really possible.

Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: I060cf4f8dc04c02cbb45cf4ceb69569a8369ccee

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Merge changes I500ddbe9,I9c10dac9,I53bfff85,I06f7594d,I24bff8d4, ... into integration

* changes:
nxp lx2160a-aqds: new plat based on soc lx2160a
NXP lx2160a-rdb: new plat based on SoC lx2160a

Merge changes I500ddbe9,I9c10dac9,I53bfff85,I06f7594d,I24bff8d4, ... into integration

* changes:
nxp lx2160a-aqds: new plat based on soc lx2160a
NXP lx2160a-rdb: new plat based on SoC lx2160a
nxp lx2162aqds: new plat based on soc lx2160a
nxp: errata handling at soc level for lx2160a
nxp: make file for loading additional ddr image
nxp: adding support of soc lx2160a
nxp: deflt hdr files for soc & their platforms
nxp: platform files for bl2 and bl31 setup
nxp: warm reset support to retain ddr content
nxp: nv storage api on platforms
nxp: supports two mode of trusted board boot
nxp: fip-handler for additional fip_fuse.bin
nxp: fip-handler for additional ddr-fip.bin
nxp: image loader for loading fip image
nxp: svp & sip smc handling
nxp: psci platform functions used by lib/psci
nxp: helper function used by plat & common code
nxp: add data handler used by bl31
nxp: adding the driver.mk file
nxp-tool: for creating pbl file from bl2
nxp: adding the smmu driver
nxp: cot using nxp internal and mbedtls
nxp:driver for crypto h/w accelerator caam
nxp:add driver support for sd and emmc
nxp:add qspi driver
nxp: add flexspi driver support
nxp: adding gic apis for nxp soc
nxp: gpio driver support
nxp: added csu driver
nxp: driver pmu for nxp soc
nxp: ddr driver enablement for nxp layerscape soc
nxp: i2c driver support.
NXP: Driver for NXP Security Monitor
NXP: SFP driver support for NXP SoC
NXP: Interconnect API based on ARM CCN-CCI driver
NXP: TZC API to configure ddr region
NXP: Timer API added to enable ARM generic timer
nxp: add dcfg driver
nxp:add console driver for nxp platform
tools: add mechanism to allow platform specific image UUID
tbbr-cot: conditional definition for the macro
tbbr-cot: fix the issue of compiling time define
cert_create: updated tool for platform defined certs, keys & extensions
tbbr-tools: enable override TRUSTED_KEY_CERT

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nxp: psci platform functions used by lib/psci

Signed-off-by: rocket <rod.dorris@nxp.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: I9853263ed38fb2a9f04b9dc7d768942e32074719