msm: camera: icp: Use icp base while disabling A5

The hfi interface maintains the csr base which it receives
as part of init. If FW download fails we proceed to disable
A5. At this time csr base is not updated yet hence we need to
use the icp base that is passed to this function.

Change-Id: I4322891096a6e7b4c1757acf7c5adedd5ceccd87
Signed-off-by: Karthik Anantha Ram <kartanan@codeaurora.org>