PPC32: Fix asm/rtc.h so drivers/char/genrtc.c compiles.

include/asm-ppc/rtc.h

@@ -35,15 +35,14 @@
 #define RTC_AIE 0x20		/* alarm interrupt enable */
 #define RTC_UIE 0x10		/* update-finished interrupt enable */
 
-extern void gen_rtc_interrupt(unsigned long);
-
 /* some dummy definitions */
+#define RTC_BATT_BAD 0x100	/* battery bad */
 #define RTC_SQWE 0x08		/* enable square-wave output */
 #define RTC_DM_BINARY 0x04	/* all time/date values are BCD if clear */
 #define RTC_24H 0x02		/* 24 hour mode - else hours bit 7 means pm */
 #define RTC_DST_EN 0x01	        /* auto switch DST - works f. USA only */
 
-static inline void get_rtc_time(struct rtc_time *time)
+static inline unsigned int get_rtc_time(struct rtc_time *time)
 {
 	if (ppc_md.get_rtc_time) {
 		unsigned long nowtime;
@@ -55,6 +54,7 @@ static inline void get_rtc_time(struct rtc_time *time)
 		time->tm_year -= 1900;
 		time->tm_mon -= 1; /* Make sure userland has a 0-based month */
 	}
+	return RTC_24H;
 }
 
 /* Set the current date and time in the real time clock. */