arm: rmobile: Add support R8A7794

Renesas R8A7794 is CPU with Cortex-A15. This supports the basic register
definition and GPIO and framework of PFC.

Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
diff --git a/arch/arm/cpu/armv7/rmobile/Makefile b/arch/arm/cpu/armv7/rmobile/Makefile
index fad004c..dd7de41 100644
--- a/arch/arm/cpu/armv7/rmobile/Makefile
+++ b/arch/arm/cpu/armv7/rmobile/Makefile
@@ -13,5 +13,6 @@
 obj-$(CONFIG_R8A7740) += lowlevel_init.o cpu_info-r8a7740.o pfc-r8a7740.o
 obj-$(CONFIG_R8A7790) += lowlevel_init_ca15.o cpu_info-rcar.o pfc-r8a7790.o
 obj-$(CONFIG_R8A7791) += lowlevel_init_ca15.o cpu_info-rcar.o pfc-r8a7791.o
+obj-$(CONFIG_R8A7794) += lowlevel_init_ca15.o cpu_info-rcar.o pfc-r8a7794.o
 obj-$(CONFIG_SH73A0) += lowlevel_init.o cpu_info-sh73a0.o pfc-sh73a0.o
 obj-$(CONFIG_TMU_TIMER) += ../../../../sh/lib/time.o