drm: Fix spelling of clock in drm_connector.h

Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: trivial@kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1481894663-4570-1-git-send-email-pmeerw@pmeerw.net

include/drm/drm_connector.h

@@ -117,7 +117,7 @@ struct drm_display_info {
 
 	/**
 	 * @pixel_clock: Maximum pixel clock supported by the sink, in units of
-	 * 100Hz. This mismatches the clok in &drm_display_mode (which is in
+	 * 100Hz. This mismatches the clock in &drm_display_mode (which is in
 	 * kHZ), because that's what the EDID uses as base unit.
 	 */
 	unsigned int pixel_clock;