feat(mt8189): add mcdi driver

Minor hardware changes require minor driver updates.

Signed-off-by: Kai Liang <kai.liang@mediatek.corp-partner.google.com>
Change-Id: Ifd8f248f0ab18a5e6a4e27fce3b3f345

feat(mt8189): add mcdi driver

Minor hardware changes require minor driver updates.

Signed-off-by: Kai Liang <kai.liang@mediatek.corp-partner.google.com>
Change-Id: Ifd8f248f0ab18a5e6a4e27fce3b3f345bb50d901

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feat(mt8189): add hotplug driver

Minor hardware changes require minor driver updates.

Signed-off-by: Kai Liang <kai.liang@mediatek.com>
Change-Id: Iaeed93a7cf1b8c22979fedf7bd571f30398d410e

fix(mt8188): fix variable may be used uninitialized error

When compiling with LTO enabled, the compiler can observe the `default`
code path of PER_CPU_PWR_CTRL as leaving the pwr_ctrl variable
unini

fix(mt8188): fix variable may be used uninitialized error

When compiling with LTO enabled, the compiler can observe the `default`
code path of PER_CPU_PWR_CTRL as leaving the pwr_ctrl variable
uninitialised. We know this is not possible, but assure the compiler
that this will not be the case.

Change-Id: Ia58beea6b0f767fbbeb7f811af8c70fd1fece8c1
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>

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refactor(mediatek): change LPM header file path for further extension

Move `mt_lp_rm.h` to `plat/mediatek/include/lpm` for further extension.

Change-Id: If377ce6791ce80f82643b0f2466eb0f1aa5aa40b
Si

refactor(mediatek): change LPM header file path for further extension

Move `mt_lp_rm.h` to `plat/mediatek/include/lpm` for further extension.

Change-Id: If377ce6791ce80f82643b0f2466eb0f1aa5aa40b
Signed-off-by: Liju-Clr Chen <liju-clr.chen@mediatek.com>

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feat(mt8188): add cpu_pm driver

- Add cpu_pm driver for CPU idle and SMP flow.
- Add SMP driver for CPU power on/off control.
- Add CPC driver to handle CPU powered on/off in CPU suspend.
- Add mbox

feat(mt8188): add cpu_pm driver

- Add cpu_pm driver for CPU idle and SMP flow.
- Add SMP driver for CPU power on/off control.
- Add CPC driver to handle CPU powered on/off in CPU suspend.
- Add mbox driver for tinysys support.

Signed-off-by: Edward-JW Yang <edward-jw.yang@mediatek.com>
Change-Id: I20141474e1c43cdfacb9f2c6a2285721e50a617c

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