coresight: Add snapshot of Coresight csr driver

Add snapshot for coresight csr driver from msm-4.19
commit 64be469bda3ae ("power: smb1390-psy: Configure IREV
and main's ICL to prevent IREV condition").
Make necessary change to adopt coresight framework change.

Change-Id: I6f582f68346f36cb7d27e6a0d7fc650d701a2d7d
Signed-off-by: Tingwei Zhang <tingwei@codeaurora.org>