drm/nouveau/bios/dp: use alternate set of drvctl values where necessary
drm/nouveau/bios/dp: use alternate set of drvctl values where necessary

Signed-off-by: Ben Skeggs <d9f27fb07c1e9f131223ad827fa5179f3846c30b@redhat.com>

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