drivers: camera: Mode selection logic

drivers: camera: Mode selection logic

Segregate mode selection logic into standard
and special types. Standard mode selection
will be based on pixel format and special type
selection will depend on sensor settings defined
by controls.

Bug 200214096
Bug 200227485

Change-Id: Ic020017ddf635aa5662370903efd660150d319be
Signed-off-by: Bhanu Murthy V <bmurthyv@nvidia.com>
Reviewed-on: http://git-master/r/1204713
(cherry picked from commit f551889dd77b04b095cb4064eea33bf8151fa57a)
Reviewed-on: http://git-master/r/1483448
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Frank Chen <frankc@nvidia.com>
Tested-by: Frank Chen <frankc@nvidia.com>
Reviewed-by: Hu He <hhe@nvidia.com>
Reviewed-by: Shantanu Nath <snath@nvidia.com>