video: tegra: dsi: re-init DSI in seamless

video: tegra: dsi: re-init DSI in seamless

This patch re-initializes dsi in the kernel even
in seamless mode. This helps reduce the dependency
with bootloader set dsi configuration

Bug 200006804
Bug 1510417

Change-Id: I2f9ae5efd467b95b5d3b0f6568c2379f4f68522e
Signed-off-by: Vineel Kumar Reddy Kovvuri <vineelkumarr@nvidia.com>
Reviewed-on: http://git-master/r/418332
(cherry picked from commit 4e9583d8ceeabb393d355a53641b12c03d8be0e2)
Reviewed-on: http://git-master/r/419278
Reviewed-by: Robert Shih <rshih@nvidia.com>
Tested-by: Robert Shih <rshih@nvidia.com>
Reviewed-by: Eric Chuang <echuang@nvidia.com>