[PORT FROM R2] VRTC: Sync time to MSIC RTC when NTP enabled

[PORT FROM R2] VRTC: Sync time to MSIC RTC when NTP enabled

BZ: 22580

NTP uses update_persistent_clock->...->vrtc_set_mmss to set vRTC.
We should sync the modified time to MSIC RTC.

Change-Id: I2376909e401f96c972c58de6bf2bfdfef1398d63
Signed-off-by: ShuoX Liu <shuox.liu@intel.com>
Reviewed-on: http://android.intel.com:8080/29665
Reviewed-by: Yang, Fei <fei.yang@intel.com>
Reviewed-by: Zhang, Yanmin <yanmin.zhang@intel.com>
Reviewed-by: Gross, Mark <mark.gross@intel.com>
Tested-by: Ng, Cheon-woei <cheon-woei.ng@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>