Merge "Unify type of "cpu_idx" across PSCI module." into integration

docs/getting_started/porting-guide.rst

drivers/arm/css/scp/css_pm_scmi.c

include/export/lib/utils_def_exp.h

include/lib/psci/psci.h

include/plat/arm/common/arm_def.h

include/plat/common/platform.h

lib/psci/psci_main.c

lib/psci/psci_off.c

lib/psci/psci_on.c

lib/psci/psci_private.h

lib/psci/psci_setup.c

lib/psci/psci_stat.c

lib/psci/psci_suspend.c

plat/arm/board/a5ds/include/platform_def.h

plat/arm/board/corstone700/include/platform_def.h

plat/arm/board/fvp/include/platform_def.h

plat/arm/board/fvp_ve/fvp_ve_def.h

plat/arm/board/fvp_ve/include/platform_def.h

plat/arm/board/juno/juno_def.h

plat/arm/board/rde1edge/include/platform_def.h