drm: remove useless parameters from drm_pick_cmdline_mode function

drm_pick_cmdline_mode width and height parameters are useless.
Just remove them.

Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1483721084-20278-2-git-send-email-vincent.abriou@st.com

drivers/gpu/drm/i915/intel_fbdev.c

@@ -447,7 +447,7 @@ retry:
 			      connector->name);
 
 		/* go for command line mode first */
-		modes[i] = drm_pick_cmdline_mode(fb_conn, width, height);
+		modes[i] = drm_pick_cmdline_mode(fb_conn);
 
 		/* try for preferred next */
 		if (!modes[i]) {