msm: camera: isp: Handle bus error in bottom half

Configure the debug status registers during bus init
and read the value of debug status during bottom half
processing when the bus error occurs. Print out
the client causing the bus violation based on debug
status value.

Change-Id: Ibf6ac60affc7102e2495610213ef2c9504c7c54e
Signed-off-by: Junzhe Zou <jnzhezou@codeaurora.org>
Signed-off-by: Vishalsingh Hajeri <vhajeri@codeaurora.org>
Signed-off-by: Venkat Chinta <vchinta@codeaurora.org>