drm/edid: Have drm_edid.h include hdmi.h

drm_edid.h depends on hdmi.h on account of enum hdmi_picture_aspect,
so let's just include hdmi.h and drop some useless struct declarations.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170111125725.8086-2-ville.syrjala@linux.intel.com


Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Eric Anholt <eric@anholt.net>
Git-commit: 00147934598478f7fbd0a4ce5380f2fecad542b5
Git-repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Change-Id: I9f51968fd442fea75960fdeed752904ba8b8ba05
Signed-off-by: Tanmay Shah <tanmay@codeaurora.org>