msm: camera: common: Fix compilation issues for 32-bit arch

Fix improper use of divide and modulo operator on 64 bit numbers.
Fix variable type to work with both 32/64 bit arch.

CRs-Fixed: 2543730
Change-Id: Ifa52d46dece3434d41308d284982a0cd8e17cd1b
Signed-off-by: Trishansh Bhardwaj <tbhardwa@codeaurora.org>