x86/early quirk: use gen6 stolen detection for VLV (bnc#907970, FATE#316038).

suse-commit: d0e6d9b01e97e2dd6b3f744825e81549f3b67bb1
drm: add MIPI DSI encoder and connector types (bnc#907971, FATE#316038).

suse-commit: c50d456a02531c965fea90b9a5c91a71efc328db