msm: camera: Update msm-eeprom documentation

In order to keep eeprom documentation upto date,
adding few fileds which were missed while adding
changes for multimodule architecture. Driver
changes are already in.

Change-Id: I0c0cb647066f316dacacfa57bb47811a6035a620
Signed-off-by: Vijay kumar Tumati <vtumati@codeaurora.org>