msm: camera: icp: Update A5 clock per frame

A5 (ICP) clock corners IPE clock source. This change
updates ICP clock based on the rate updated for IPE.

Change-Id: I2c0b711d34ea8ab8ccf458ecb77402ecf6bf967e
Signed-off-by: Karthik Anantha Ram <kartanan@codeaurora.org>
Signed-off-by: Mukund Madhusudan Atre <matre@codeaurora.org>