drm/edid: Kerneldoc for newly added edid_corrupt

Also treat it as a proper boolean.

Cc: Todd Previte <tprevite@gmail.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index b9fcdc8..0a4a040 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -647,6 +647,7 @@
  * @audio_latency: audio latency info from ELD, if found
  * @null_edid_counter: track sinks that give us all zeros for the EDID
  * @bad_edid_counter: track sinks that give us an EDID with invalid checksum
+ * @edid_corrupt: indicates whether the last read EDID was corrupt
  * @debugfs_entry: debugfs directory for this connector
  * @state: current atomic state for this connector
  * @has_tile: is this connector connected to a tiled monitor