ARM: shmobile: Let KZM9D multiplatform boot with KZM9D DTB

Let the multiplatform KZM9D support boot with the
legacy DTS for KZM9D as well as the KZM9D reference DTS.
Signed-off-by: NMagnus Damm <damm@opensource.se>
Acked-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/board-kzm9d-reference.c

@@ -33,6 +33,7 @@ static void __init kzm9d_add_standard_devices(void)
 }
 
 static const char *kzm9d_boards_compat_dt[] __initdata = {
+	"renesas,kzm9d",
 	"renesas,kzm9d-reference",
 	NULL,
 };