video: tegra: remove free memory check

Used free memory check in allocation policy is not working,
because it doesn't calculate available physical memory size in
same way as android oom killer.

It also breaks kernel build if swapping is enabled.

Remove free memory check from allocation policy.

Change-Id: I214d1829451f313dbace967e87ed4111e688865d
Reviewed-on: http://git-master/r/85227
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
video: tegra: dsi: enable dsi panel B

Enable dsi panel B by setting the first bit
in APB_MISC_GP_MIPI_PAD_CTRL_0 register.

Bug 935764
Signed-off-by: Preetham Chandru R <pchandru@nvidia.com>
Change-Id: I9e958e0c9d9e934edf77688fd6a987b5e863392b
Reviewed-on: http://git-master/r/96672
Reviewed-by: Shashank Sharma <shashanks@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Kiran Adduri <kadduri@nvidia.com>
Reviewed-by: Animesh Kishore <ankishore@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>