Weston: configuration for DRM/KMS for stm32mp machine

Signed-off-by: Christophe Priouzeau <christophe.priouzeau@st.com>

recipes-graphics/wayland/weston/xwayland.weston-start

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+if type Xwayland  >/dev/null 2>/dev/null; then
+	mkdir -p /tmp/.X11-unix
+
+	add_weston_argument "--xwayland"
+fi