ARM: dts: imx6: ventana: fix include typo

Fix typo and include the right dtsi file for the gw51xx board.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

arch/arm/boot/dts/imx6q-gw51xx.dts

@@ -11,7 +11,7 @@
 
 /dts-v1/;
 #include "imx6q.dtsi"
-#include "imx6qdl-gw54xx.dtsi"
+#include "imx6qdl-gw51xx.dtsi"
 
 / {
 	model = "Gateworks Ventana i.MX6 Quad GW51XX";