[Bugfix][T106BUG-325]fix in the process GNSS only can init once;and optimize init-time

Only Configure:No
Affected branch:master
Affected module:GNSS
Is it affected on both ZXIC and MTK:only ZXIC,
Self-test:Yes,
Doc Update:NO.

Change-Id: Iff0ffa60cf406f66dfcc016d973097dac6cd1a4e
4 files changed