arm: kzm9g: Add CONFIG_SYS_GENERIC_BOARD

Add CONFIG_SYS_GENERIC_BOARD to use common/board_[fr].c for kzm9g.

Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Acked-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

include/configs/kzm9g.h

@@ -15,6 +15,7 @@
 #define CONFIG_KZM_A9_GT
 #define CONFIG_RMOBILE_BOARD_STRING	"KMC KZM-A9-GT"
 #define CONFIG_MACH_TYPE MACH_TYPE_KZM9G
+#define CONFIG_SYS_GENERIC_BOARD
 
 #include <asm/arch/rmobile.h>