bugfix: wl-drm: Fix hard-coded screen size of the ecore_evas
bugfix: wl-drm: Fix hard-coded screen size of the ecore_evas

NB: This makes use of newly added ecore_evas_screen_geometry_get of
the ecore_evas_drm code in order to get the current screen size and
adjust the ecore_evas accordingly.

Signed-off-by: Chris Michael <177aeddb9e34930a357ecd8dd2d21c80fe280c85@samsung.com>

FlorentRevest/Enlightenment,tasn/enlightenment,rvandegrift/e,rvandegrift/e,tizenorg/platform.upstream.enlightenment,tasn/enlightenment,tizenorg/platform.upstream.enlightenment,tizenorg/platform.upstream.enlightenment,FlorentRevest/Enlightenment,FlorentRevest/Enlightenment,rvandegrift/e,tasn/enlightenment