wandboard: Add support for the MX6QP variant

Add support for the latest MX6QP wandboard variant.

Based on Richard Hu's work from Technexion's U-Boot tree.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
diff --git a/include/configs/wandboard.h b/include/configs/wandboard.h
index ba88d02..8fdfc02 100644
--- a/include/configs/wandboard.h
+++ b/include/configs/wandboard.h
@@ -109,6 +109,8 @@
 			"fi; "	\
 		"fi\0" \
 	"findfdt="\
+		"if test $board_name = D1 && test $board_rev = MX6QP ; then " \
+			"setenv fdtfile imx6qp-wandboard-revd1.dtb; fi; " \
 		"if test $board_name = D1 && test $board_rev = MX6Q ; then " \
 			"setenv fdtfile imx6q-wandboard-revd1.dtb; fi; " \
 		"if test $board_name = D1 && test $board_rev = MX6DL ; then " \