video/hdmi: Rename HDMI_IDENTIFIER to HDMI_IEEE_OUI

HDMI_IDENTIFIER was felt too generic, rename it to what it is, the IEEE
OUI corresponding to HDMI Licensing, LLC.

http://standards.ieee.org/develop/regauth/oui/oui.txt

Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index ed3505f..a207cc3 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2655,7 +2655,7 @@
 
 	hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
 
-	return hdmi_id == HDMI_IDENTIFIER;
+	return hdmi_id == HDMI_IEEE_OUI;
 }
 
 #define for_each_cea_db(cea, i, start, end) \