Merge changes I41001484,Ic734696a,I84741535,I85aaaf3a,Ibd5423b7, ... into integration
* changes:
feat(plat/mediatek/mt8186): add reboot function for PSCI
feat(plat/mdeiatek/mt8186): add power-off function for PSCI
feat(plat/mediatek/mt8186): apply erratas for MT8186
feat(plat/mediatek/mt8186): add MCDI drivers
feat(plat/mediatek/mt8186): add CPU hotplug
feat(plat/mediatek/mt8186): add RTC drivers
fix(plat/mediatek/mt8186): extend MMU region size
feat(plat/mediatek/mt8186): add DCM driver
feat(plat/mediatek/mt8186): add pinctrl support
feat(plat/mediatek/mt8186): add sys_cirq support
feat(plat/mediatek/mt8186): initialize GIC
feat(plat/mediatek/mt8186): add SiP service
feat(plat/mediatek/mt8186): add pwrap and pmic driver
feat(plat/mediatek/mt8186): initialize delay_timer
feat(plat/mediatek/mt8186): initialize systimer
feat(plat/mediatek/mt8186): add EMI MPU basic driver