[Bugfix][T106BUG-421] Optimize poweralarm demo, reinitialize after de initialization

Only Configure: No
Affected branch: master
Affected module: Rtc
Is it affected on both ZXIC and MTK:only zxic
Self-test: Yes
Doc Update:Yes

Change-Id: Id788d0f45c1362533cd3d46157aa6685f2b03e26
1 file changed