defconfig: msm8916: disable panic on RT throttling

Currently when a real time runqueue is throttled we
panic. Disable it so that system can proceed ahead
after throttling.

Change-Id: I01c8649aad5b7a27374b663d48d5532d19c90882
Signed-off-by: Vignesh Radhakrishnan <vigneshr@codeaurora.org>