Merge changes from topic "mediatek upstream" into integration
* changes:
refactor(mt8188): move platform_def.h to mt8188/include
feat(mt8188): add MCUSYS support
feat(mt8188): add armv8.2 support
feat(mt8188): add DFD control in SiP service
feat(mt8188): add EMI MPU basic drivers
feat(mt8188): add DCM driver
feat(mt8188): add reset and poweroff functions
feat(mediatek): add more flexibility of mtk_pm.c
feat(mediatek): add more options for build helper
feat(mt8188): add LPM driver support
feat(mt8188): apply ERRATA for CA-78
fix(mediatek): remove unused cold_boot.[c|h]
fix(mediatek): wrap cold_boot.h with MTK_SIP_KERNEL_BOOT_ENABLE
feat(mt8186): add EMI MPU support for SCP and DSP