rtc: pl030: Enable module alias autogeneration for AMBA drivers

Signed-off-by: Dave Martin <dave.martin@linaro.org>
diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c
index 1d28d44..02111fe 100644
--- a/drivers/rtc/rtc-pl030.c
+++ b/drivers/rtc/rtc-pl030.c
@@ -174,6 +174,8 @@
 	{ 0, 0 },
 };
 
+MODULE_DEVICE_TABLE(amba, pl030_ids);
+
 static struct amba_driver pl030_driver = {
 	.drv		= {
 		.name	= "rtc-pl030",