ARM: PRIMA2: rtciobg: it is also compatible with marco

Signed-off-by: Barry Song <Baohua.Song@csr.com>
diff --git a/arch/arm/mach-prima2/rtciobrg.c b/arch/arm/mach-prima2/rtciobrg.c
index 9d80f1e..fc6c4ab 100644
--- a/arch/arm/mach-prima2/rtciobrg.c
+++ b/arch/arm/mach-prima2/rtciobrg.c
@@ -104,6 +104,7 @@
 
 static const struct of_device_id rtciobrg_ids[] = {
 	{ .compatible = "sirf,prima2-rtciobg" },
+	{ .compatible = "sirf,marco-rtciobg" },
 	{}
 };