drm/tegra: sor - Use bits-per-color from panel
drm/tegra: sor - Use bits-per-color from panel

This change uses the value of bits-per-color from panel to remove one
more hardcoded value.

Signed-off-by: Stéphane Marchesin <e16f69845633a0cf74affe1e5a677caa6296c937@chromium.org>
Signed-off-by: Thierry Reding <3055038c414aef68bf32c33b8118623e7554e0f2@nvidia.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs