Add ARM AMBA PL031 RTC Support

Signed-off-by: Gururaja Hebbar K R <gururajakr@sanyo.co.in>
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 2af3ee5..07c12fa 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -52,6 +52,7 @@
 COBJS-$(CONFIG_RTC_MPC5200) += mpc5xxx.o
 COBJS-$(CONFIG_RTC_MPC8xx) += mpc8xx.o
 COBJS-$(CONFIG_RTC_PCF8563) += pcf8563.o
+COBJS-$(CONFIG_RTC_PL031) += pl031.o
 COBJS-$(CONFIG_RTC_RS5C372A) += rs5c372.o
 COBJS-$(CONFIG_RTC_RX8025) += rx8025.o
 COBJS-$(CONFIG_RTC_S3C24X0) += s3c24x0_rtc.o