defconfig: sa6155: Enable panic of stalls and corruptions

It is better to crash as soon as possible on stalls and corruptions.
This aids in debugging to root cause actual problems.

Change-Id: Iecb6f9bf1b0c14fe395cb1cf1ced39147bf02055
Signed-off-by: Shreyas K K <shrekk@codeaurora.org>