Convert CONFIG_MCFRTC et al to Kconfig

This converts the following to Kconfig:
   CONFIG_MCFRTC
   CONFIG_SYS_MCFRTC_BASE

While at it, remove '#undef RTC_DEBUG' from these config files.

Signed-off-by: Tom Rini <trini@konsulko.com>

drivers/rtc/Kconfig

@@ -168,6 +168,14 @@ config RTC_MC146818
 	  clock with a wide array of features and 50 bytes of general-purpose,
 	  battery-backed RAM. The driver supports access to the clock and RAM.
 
+config MCFRTC
+	bool "Use common CF RTC driver"
+	depends on M68K
+
+config SYS_MCFRTC_BASE
+	hex "Base address for RTC in immap.h"
+	depends on MCFRTC
+
 config RTC_M41T62
 	bool "Enable M41T62 driver"
 	help

drivers/rtc/mcfrtc.c

@@ -13,10 +13,6 @@
 
 #undef RTC_DEBUG
 
-#ifndef CONFIG_SYS_MCFRTC_BASE
-#error RTC_BASE is not defined!
-#endif
-
 #define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
 #define	STARTOFTIME		1970