msm: camera: Change reset sequence for CSID

In the case of CSID reset, split the global reset command to
perform non sw register reset and sw register reset. Also,
use reset-done IRQ instead of polling, and add spinlocks
around programming of both IRQ and RST registers.

Change-Id: Ic57d308fa68f7fcb0fa0d36463b430ab407355d9
Signed-off-by: Mike Mager <mikemager@codeaurora.org>