msm: camera: delete i2c data in release dev

Previous settings are retained in the list
for i2c init, calib, mode settings for ois.
deleting the settings in the list in the ois
release dev.

Change-Id: I538430c8acd68e8cace2fc3a82e5ee22d03417c0
Signed-off-by: Shankar Ravi <rshankar@codeaurora.org>