rockchip: move pmusram assembler code to a aarch64 subdir

The current code doing power-management from sram is highly
arm64-specific so should live in a corresponding subdirectory
and not in the common area.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Change-Id: I3b79ac26f70fd189d4d930faa6251439a644c5d9

plat/rockchip/rk3328/platform.mk

@@ -14,7 +14,7 @@ PLAT_INCLUDES		:=	-Idrivers/arm/gic/common/			\
 				-Idrivers/arm/gic/v2/			\
 				-I${RK_PLAT_COMMON}/                            \
 				-I${RK_PLAT_COMMON}/include/                    \
-				-I${RK_PLAT_COMMON}/pmusram                     \
+				-I${RK_PLAT_COMMON}/aarch64/			\
 				-I${RK_PLAT_COMMON}/drivers/pmu/                \
 				-I${RK_PLAT_COMMON}/drivers/parameter/		\
 				-I${RK_PLAT_SOC}/				\
@@ -44,7 +44,7 @@ BL31_SOURCES		+=	${RK_GIC_SOURCES}				\
 				${RK_PLAT_COMMON}/drivers/parameter/ddr_parameter.c	\
 				${RK_PLAT_COMMON}/aarch64/plat_helpers.S	\
 				${RK_PLAT_COMMON}/bl31_plat_setup.c		\
-				${RK_PLAT_COMMON}/pmusram/pmu_sram_cpus_on.S	\
+				${RK_PLAT_COMMON}/aarch64/pmu_sram_cpus_on.S	\
 				${RK_PLAT_COMMON}/plat_pm.c			\
 				${RK_PLAT_COMMON}/plat_topology.c		\
 				${RK_PLAT_COMMON}/aarch64/platform_common.c	\

plat/rockchip/rk3368/platform.mk

@@ -12,7 +12,7 @@ include lib/libfdt/libfdt.mk
 
 PLAT_INCLUDES		:=	-I${RK_PLAT_COMMON}/				\
 				-I${RK_PLAT_COMMON}/include/			\
-				-I${RK_PLAT_COMMON}/pmusram			\
+				-I${RK_PLAT_COMMON}/aarch64/			\
 				-I${RK_PLAT_COMMON}/drivers/pmu/			\
 				-I${RK_PLAT_SOC}/				\
 				-I${RK_PLAT_SOC}/drivers/pmu/			\
@@ -41,7 +41,7 @@ BL31_SOURCES		+=	${RK_GIC_SOURCES}				\
 				${RK_PLAT_COMMON}/aarch64/plat_helpers.S	\
 				${RK_PLAT_COMMON}/bl31_plat_setup.c		\
 				${RK_PLAT_COMMON}/params_setup.c                \
-				${RK_PLAT_COMMON}/pmusram/pmu_sram_cpus_on.S		\
+				${RK_PLAT_COMMON}/aarch64/pmu_sram_cpus_on.S	\
 				${RK_PLAT_COMMON}/plat_pm.c			\
 				${RK_PLAT_COMMON}/plat_topology.c		\
 				${RK_PLAT_COMMON}/aarch64/platform_common.c	\

plat/rockchip/rk3399/platform.mk

@@ -12,7 +12,7 @@ include lib/libfdt/libfdt.mk
 
 PLAT_INCLUDES		:=	-I${RK_PLAT_COMMON}/			\
 				-I${RK_PLAT_COMMON}/include/		\
-				-I${RK_PLAT_COMMON}/pmusram		\
+				-I${RK_PLAT_COMMON}/aarch64/		\
 				-I${RK_PLAT_COMMON}/drivers/pmu/	\
 				-I${RK_PLAT_SOC}/			\
 				-I${RK_PLAT_SOC}/drivers/pmu/		\
@@ -49,7 +49,7 @@ BL31_SOURCES	+=	${RK_GIC_SOURCES}				\
 			${RK_PLAT_COMMON}/aarch64/plat_helpers.S	\
 			${RK_PLAT_COMMON}/bl31_plat_setup.c		\
 			${RK_PLAT_COMMON}/params_setup.c		\
-			${RK_PLAT_COMMON}/pmusram/pmu_sram_cpus_on.S	\
+			${RK_PLAT_COMMON}/aarch64/pmu_sram_cpus_on.S	\
 			${RK_PLAT_COMMON}/plat_pm.c			\
 			${RK_PLAT_COMMON}/plat_topology.c		\
 			${RK_PLAT_COMMON}/aarch64/platform_common.c	\