[SPARC64]: Fix mini RTC driver reading.

Need to subtract 1900 from year and 1 from month before
giving it back to userspace.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index d50ebea..7d61f1b 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -1363,6 +1363,8 @@
 	spin_unlock_irqrestore(&rtc_lock, flags);
 
 	to_tm(seconds, time);
+	time->tm_year -= 1900;
+	time->tm_mon -= 1;
 }
 
 static inline int mini_set_rtc_time(struct rtc_time *time)