feat(el3-spmc): deliver TPM event log via hob list

Add MM_TPM_EVENT_LOG hob type and deliver tpm meaured event logs
passed via secure transfer list to secure partition with hob list in
SPMC_AT_EL3.

feat(el3-spmc): deliver TPM event log via hob list

Add MM_TPM_EVENT_LOG hob type and deliver tpm meaured event logs
passed via secure transfer list to secure partition with hob list in
SPMC_AT_EL3.

So that secure partition could get the meausred event log by TF-A.

Change-Id: I14f7f8cb8f8f54e07a13f40748ca551bcd265a51
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>

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feat(lib): introduce Hob creation library

According to Platform Initialization (PI) Specification [1] and
discussion on edk2 mailing list [2],
StandaloneMm shouldn't create Hob but it should be pass

feat(lib): introduce Hob creation library

According to Platform Initialization (PI) Specification [1] and
discussion on edk2 mailing list [2],
StandaloneMm shouldn't create Hob but it should be passed from TF-A.
IOW, TF-A should pass boot information via HOB list to initialise
StandaloneMm properly.

And this HOB lists could be delivered via
- SPM_MM: Transfer List according to the firmware handoff spec[3]

- FF-A v1.1 >= : FF-A boot protocol.

This patch introduces a TF-A HOB creation library and
some of definitions which StandaloneMm requires to boot.

Link: https://uefi.org/sites/default/files/resources/PI_Spec_1_6.pdf [1]
Link: https://edk2.groups.io/g/devel/topic/103675962#114283 [2]
Link: https://github.com/FirmwareHandoff/firmware_handoff [3]
Signed-off-by: Levi Yun <yeoreum.yun@arm.com>
Change-Id: I5e0838adce487110206998a8b79bc3adca922cec

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