driver: media: tc358840: set UYVY as default fmt

driver: media: tc358840: set UYVY as default fmt

Tegra VI driver picks the first pixel format
as default in enum_mbus_code. Move UYVY as the
first one instead RGB888

bug 200169351

Change-Id: Ia8e14f234b4763f0b2400c0de74545d4c0a5c704
Signed-off-by: Ahung Cheng <ahcheng@nvidia.com>
(cherry picked from commit 5b46e9584940617eadc807ac0e873935b3cf4061)
Reviewed-on: http://git-master/r/1120965
Signed-off-by: Bryan Wu <pengw@nvidia.com>
Reviewed-on: http://git-master/r/1141868
GVS: Gerrit_Virtual_Submit
Reviewed-by: Hayden Du <haydend@nvidia.com>