media: video: tegra: tegra_camera: disable eack

media: video: tegra: tegra_camera: disable eack

 - Disable eack when a camera is in use

Bug 995950

Signed-off-by: Sang-Hun Lee <sanlee@nvidia.com>
Reviewed-on: http://git-master/r/110224
(cherry picked from commit f336812516efac8c6445def282340333094973c9)

Change-Id: I9a5ee84dc48bacf88261b0bf3180fe69fea3712f
Reviewed-on: http://git-master/r/110979
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Tested-by: Sang-Hun Lee <sanlee@nvidia.com>
Reviewed-by: Sang-Hun Lee <sanlee@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Rebase-Id: R509404c1170255a6b54d9fba78299dbaf63d4807