drm/vc4: dsi: Correct pixel order for DSI0

drm/vc4: dsi: Correct pixel order for DSI0

[ Upstream commit bc480a2ec67cb9994b18a0a29ef9ca3093da47a7 ]

For slightly unknown reasons, dsi0 takes a different pixel format
to dsi1, and that has to be set in the pixel valve.

Amend the setup accordingly.

Fixes: a4929aa7a5a7 ("drm/vc4: Add support for feeding DSI encoders from the pixel valve.")
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://lore.kernel.org/r/20220613144800.326124-14-maxime@cerno.tech
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Sasha Levin <sashal@kernel.org>