drivers: renesas: eMMC: Move to common

Move eMMC driver code to common directory, so that the same
code can be re-used by both R-Car Gen3 and RZ/G2 platforms.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Change-Id: I7f3055709337327d1a1c9f563c14ad1626adb355

plat/renesas/common/common.mk

@@ -79,6 +79,12 @@ BL2_SOURCES	+=	${RCAR_GIC_SOURCES}				\
 			${LIBFDT_SRCS}					\
 			common/desc_image_load.c			\
 			drivers/renesas/common/common.c			\
+			drivers/renesas/common/emmc/emmc_interrupt.c	\
+			drivers/renesas/common/emmc/emmc_utility.c	\
+			drivers/renesas/common/emmc/emmc_mount.c	\
+			drivers/renesas/common/emmc/emmc_init.c		\
+			drivers/renesas/common/emmc/emmc_read.c		\
+			drivers/renesas/common/emmc/emmc_cmd.c		\
 			drivers/io/io_storage.c
 
 BL31_SOURCES	+=	${RCAR_GIC_SOURCES}				\

plat/renesas/rcar/platform.mk

@@ -307,7 +307,7 @@ PLAT_INCLUDES	+=	-Idrivers/renesas/rcar/ddr		\
 			-Idrivers/renesas/rcar/delay		\
 			-Idrivers/renesas/rcar/rom		\
 			-Idrivers/renesas/rcar/scif		\
-			-Idrivers/renesas/rcar/emmc		\
+			-Idrivers/renesas/common/emmc		\
 			-Idrivers/renesas/rcar/pwrc		\
 			-Idrivers/renesas/rcar/io
 
@@ -330,12 +330,6 @@ BL2_SOURCES	+=	plat/renesas/rcar/aarch64/platform_common.c	\
 			drivers/renesas/rcar/dma/dma_driver.c		\
 			drivers/renesas/rcar/avs/avs_driver.c		\
 			drivers/renesas/rcar/delay/micro_delay.c	\
-			drivers/renesas/rcar/emmc/emmc_interrupt.c	\
-			drivers/renesas/rcar/emmc/emmc_utility.c	\
-			drivers/renesas/rcar/emmc/emmc_mount.c		\
-			drivers/renesas/rcar/emmc/emmc_init.c		\
-			drivers/renesas/rcar/emmc/emmc_read.c		\
-			drivers/renesas/rcar/emmc/emmc_cmd.c		\
 			drivers/renesas/rcar/watchdog/swdt.c		\
 			drivers/renesas/rcar/rom/rom_api.c		\
 			drivers/renesas/rcar/board/board.c