soc: qcom: scm: Add snapshot of QCOM SCM driver

Add snapshot for Qualcomm Secure Channel Manager (SCM) driver
from msm-4.19, as of commit <55cb96645b4e679> (Merge "msm:
camera: isp: Add debugfs parameter for state monitor dump").

Change-Id: I9a96af835cf23b0674d90918e955e5a544deb81b
[rananta@codeaurora.org: Make changes for GKI compliance]
Signed-off-by: Raghavendra Rao Ananta <rananta@codeaurora.org>