Disable CONFIG_SYNC, anyway our PVR driver not use it
Revert "Update alarm from 3.0"

This reverts commit e5c97dbf98f708843005d59a68f0510063a9e12d.
rtc: alarm: Don't use save_time_delta.

Change-Id: Iaefeca497de02fe36b7f5d79075912f6e349ec53
Signed-off-by: Arve HjÃ¸nnevÃ¥g <arve@android.com>