arm: mach-rmobile: Add CPU info support for RZ/G2

Add CPU info support for RZ/G2 SoC's.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
diff --git a/arch/arm/mach-rmobile/Makefile b/arch/arm/mach-rmobile/Makefile
index 9f56af4..81a0ded 100644
--- a/arch/arm/mach-rmobile/Makefile
+++ b/arch/arm/mach-rmobile/Makefile
@@ -13,6 +13,7 @@
 obj-$(CONFIG_R8A7740) += lowlevel_init.o cpu_info-r8a7740.o pfc-r8a7740.o
 obj-$(CONFIG_RCAR_GEN2) += lowlevel_init_ca15.o cpu_info-rcar.o
 obj-$(CONFIG_RCAR_GEN3) += lowlevel_init_gen3.o cpu_info-rcar.o memmap-gen3.o
+obj-$(CONFIG_RZ_G2) += cpu_info-rzg.o
 
 OBJCOPYFLAGS_u-boot-spl.srec := -O srec
 quiet_cmd_objcopy = OBJCOPY $@