drm: Add definitions for DP compliance Video pattern tests

v4:
* Remove redundant single bit defs (Jani Nikula)
v3:
* Fix the conventions in bit definitions (Jani Nikula)
v2:
* Add all the other DP Complianec TEST register defs (Jani Nikula)

Change-Id: I944460c46428ff519066ccb7afd3e087c2db2ef9
Cc: dri-devel@lists.freedesktop.org
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Git-commit: 08b79f62a1a3f6774cf27db4d12f3f938486c4f9
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Link: http://patchwork.freedesktop.org/patch/msgid/1484968170-12467-4-git-send-email-manasi.d.navare@intel.com


Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>