charger: fix charger display stuck

1.Retry charger when gr init fail caused
by display not ready.
2.Remove meaningless logs which occupy log lines,
the logs that really need to be printed cannot be
output due to printk suppresses kernel logs.

Bug: 197604278
Change-Id: Id9465a0a9c994986192fd39c124d05aed8caa862
Test: Manual. Power off charging.