ARM: mach-shmobile: add KZM-A9-GT board support

This adds very basic KZM-A9-GT board (SH73a0) support

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Simon Horman <horms@verge.net.au>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 34560ca..c39413a 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -98,6 +98,11 @@
 	depends on ARCH_R8A7779
 	select ARCH_REQUIRE_GPIOLIB
 
+config MACH_KZM9G
+	bool "KZM-A9-GT board"
+	depends on ARCH_SH73A0
+	select ARCH_REQUIRE_GPIOLIB
+
 comment "SH-Mobile System Configuration"
 
 config CPU_HAS_INTEVT