staging: sm750fb: change definition of HWC_COLOR_{12, 3} fields

Use straight-forward definition of HWC_COLOR_{12,3} register fields instead
of magic numbers

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed