panic: resume console if panic after console suspend.

Device rebooted by kernel panic but no panic message.
This helps to get the panic messages in this case.

Change-Id: If6a9b0d2d593b6006f4e49ff86a2047774a9cddc
Signed-off-by: shihhao.feng <shihhao.feng@lge.com>
Signed-off-by: Devin Kim <dojip.kim@lge.com>