drm/edid: Give the est3 mode struct a real name

We want the same type for extra modes inferred from ranges.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Tested-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_edid_modes.h

@@ -412,12 +412,14 @@ static const struct drm_display_mode edid_est_modes[] = {
 		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
 };
 
-static const struct {
+struct minimode {
 	short w;
 	short h;
 	short r;
 	short rb;
-} est3_modes[] = {
+};
+
+static const struct minimode est3_modes[] = {
 	/* byte 6 */
 	{ 640, 350, 85, 0 },
 	{ 640, 400, 85, 0 },