smb-lib: skip updating CC status cache while in pr swap

We ignore the interrupt anyways and don't even invoke psy changed while
pr swap is in progress.

Skip updating the CC status cache too.

Change-Id: Id374aa53612729ddbf539b895a26181fb5793713
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>