msm: vidc: Add snapshot of MSM video driver

This is a snapshot from branch msm-4.14
'commit 195f5d0cdc2c ("cnss2: Do not handle MHI device
error during driver unloading")'.

CRs-Fixed: 2344373
Change-Id: Ifd98751c64924852de74a56f4827b0ec7b9eb291
Signed-off-by: Tapas Kumar Kundu <tkundu@codeaurora.org>
Signed-off-by: Vaibhav Deshu Venkatesh <vdeshuve@codeaurora.org>
Signed-off-by: Chinmay Sawarkar <chinmays@codeaurora.org>