msm-camera: Fix the Mask Parameter

"mask" is a new variable added in the I2C register config
structure. It is introduced in the middle of the structure.
This creates issues with MT9M114 camera YUV sensor
using the structure.

Change-Id: I29f6e175f1e1a7a5275ac3dd7c2e9deb7cfa3a49
Signed-off-by: Katta Santhisindhu <kattas@codeaurora.org>