drivers: renesas: Move plat common sources

Move plat common sources to common directory, so that 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: Id2b1822c97cc50e3febaffc2e5f42b4d53809a17
diff --git a/plat/renesas/common/common.mk b/plat/renesas/common/common.mk
index f2e1112..ab9cded 100644
--- a/plat/renesas/common/common.mk
+++ b/plat/renesas/common/common.mk
@@ -65,6 +65,9 @@
 			-Iplat/renesas/common/include		\
 			-Iplat/renesas/common
 
+PLAT_BL_COMMON_SOURCES	:=	drivers/renesas/common/iic_dvfs/iic_dvfs.c \
+				plat/renesas/common/rcar_common.c
+
 RCAR_GIC_SOURCES	:=	drivers/arm/gic/common/gic_common.c	\
 				drivers/arm/gic/v2/gicv2_main.c		\
 				drivers/arm/gic/v2/gicv2_helpers.c	\
@@ -84,3 +87,7 @@
 			plat/common/plat_psci_common.c			\
 			drivers/renesas/common/common.c			\
 			drivers/arm/cci/cci.c
+
+include lib/xlat_tables_v2/xlat_tables.mk
+include drivers/auth/mbedtls/mbedtls_crypto.mk
+PLAT_BL_COMMON_SOURCES	+=	${XLAT_TABLES_LIB_SRCS}