ARM: shmobile: r7s72100 Genmai Multiplatform

Add r7s72100 Genmai to SHMOBILE_MULTI.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index d2b8342..1c13104 100644
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -56,6 +56,7 @@
 
 # Board objects
 ifdef CONFIG_ARCH_SHMOBILE_MULTI
+obj-$(CONFIG_MACH_GENMAI)	+= board-genmai-reference.o
 obj-$(CONFIG_MACH_KOELSCH)	+= board-koelsch-reference.o
 obj-$(CONFIG_MACH_KZM9D)	+= board-kzm9d-reference.o
 else