ecore-drm: Add private xkb fields for depressed, latched, locked, and

group

This adds fields to the xkb structure for storing when modifiers are
pressed, released, etc so we can handle those in key events.

Signed-off-by: Chris Michael <cp.michael@samsung.com>

src/lib/ecore_drm/ecore_drm_private.h

@@ -198,6 +198,7 @@ struct _Ecore_Drm_Evdev
         xkb_mod_mask_t caps_mask;
         xkb_mod_mask_t altgr_mask;
         unsigned int modifiers;
+        unsigned int depressed, latched, locked, group;
      } xkb;
 
    Ecore_Drm_Evdev_Event_Type pending_event;