drm/gma500/psb: Convert to generic cursor funcs
drm/gma500/psb: Convert to generic cursor funcs

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

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