drivers/rtc/rtc-s3c.c: correct debug messages

drivers/rtc/rtc-s3c.c: correct debug messages

RTC-S3C used to print out debug messages incorrectly.  This patch
corrects incorrect outputs.  (undecoded bcd numbers, incorrectly decoded
register values)

This patch affects the pr-debug messages only.

Signed-off-by: MyungJoo Ham <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
Acked-by: Kukjin Kim <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Changhwan Youn <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>