drm/gma500/mrst: Add SDVO clock calculation
drm/gma500/mrst: Add SDVO clock calculation

We start off by adding SDVO limits and converting all limits to the
generic gma_limit_t stuct. Then we separate clock calculations for
LVDS and SDVO. This will be cleaned up later but keep it simple for now.

Signed-off-by: Patrik Jakobsson <008fb8753319724d898adb107588b90fcdd891c6@gmail.com>

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