drivers: media: platform: tegra: VI mode

drivers: media: platform: tegra: VI mode

Adds VI mode for the media controller driver
Adds power and clock settings required for CSI
and VI devices. Adds register programming of
VI/CSI devices based on the configuration
required by the camera module.

Bug 1617777
Bug 1736741

Change-Id: I65d41afadedbbdf03d0a4d9f0fa7b2192a182fe3
Signed-off-by: Bhanu Murthy V <bmurthyv@nvidia.com>
Reviewed-on: http://git-master/r/1002024
(cherry picked from commit 033c48fd0b54d3453218520d9522a3825dee2848)
Reviewed-on: http://git-master/r/1144972