[PATCH] msm: Fix high load average from uninterruptible waits

 * The load average on all MSMs is currently hovering at around 14
   due to uninterruptible waits in various places.
 * Convert these waits to interruptible waits to bring the load
   back down to zero at idle.

From: Steve Kondik <shade@chemlab.org>
Date: Tue, 4 Feb 2014 02:12:53 -0800