Merge "feat(plat/sgi): enable use of PSCI extended state ID format" into integration

plat/arm/css/sgi/sgi-common.mk

@@ -65,6 +65,8 @@ override CSS_LOAD_SCP_IMAGES	:=	0
 override NEED_BL2U		:=	no
 override ARM_BL31_IN_DRAM	:=	1
 override ARM_PLAT_MT		:=	1
+override PSCI_EXTENDED_STATE_ID	:=	1
+override ARM_RECOM_STATE_ID_ENC	:=	1
 
 # System coherency is managed in hardware
 HW_ASSISTED_COHERENCY	:=	1