msm: camera: Modify op-code for continuous write

Update the i2c packet op-code in packet parser in
accordance to the UMD CSL i2c op-codes. Assign
data type in i2c settings for the given request.

Change-Id: I5adc729fc200d57bf94000f7448e6744f1051615
Signed-off-by: Karthik Anantha Ram <kartanan@codeaurora.org>