parisc: add rtc platform driver

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 9a9755c..30d40fe 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -575,6 +575,14 @@
 	help
 	  If you say yes here you get support for the Ricoh RS5C313 RTC chips.
 
+config RTC_DRV_PARISC
+	tristate "PA-RISC firmware RTC support"
+	depends on PARISC
+	help
+	  Say Y or M here to enable RTC support on PA-RISC systems using
+	  firmware calls. If you do not know what you are doing, you should
+	  just say Y.
+
 config RTC_DRV_PPC
        tristate "PowerPC machine dependent RTC support"
        depends on PPC_MERGE