[Bugfix][T106bug-413]Using lynq-systime-demo rtc_set for more than 256 times will fail

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

Change-Id: Ieb19c7428c2ab22d56c70acca6969569c0dca48c
3 files changed