drivers: soc: Add snapshot of MSM Core Hang Detection

Add snapshot for core hang detection driver commit <e56fe938419ee>
(Merge "uapi: Introduce V4L2_FLAG_CVPMETADATA_SKIP flag"). Core hang
drivers configures the core hang threshold and enables the core hang
detection feature on SoC.

Change-Id: I0a25ae66e5a10b0dedf95ac45b8499575e7cec82
[eberman@codeaurora.org: Improve checking for threshold-arr,config-arr.]
Signed-off-by: Elliot Berman <eberman@codeaurora.org>