[Feature][T8TSK-244][LOG] set LOG_BUG_SHIFT 512KB to save more kernel boot logs

Only Configure:Yes
Affected branch:GSW3.0-No-Connman
Affected module:LOG
Is it affected on both ZXIC and MTK:only MTK
Self-test: Yes
Doc Update:No

Change-Id: I9811aab8f6d40ad02b82ebbd95399c3117c9d3aa
1 file changed