Rename wayland-protocols-imx to wayland-protocols

Change-Id: Ie60501f6db94f6fc287f8267e96f38674f29c55f
diff --git a/rootfs.mk b/rootfs.mk
index 8f204f8..225c36f 100644
--- a/rootfs.mk
+++ b/rootfs.mk
@@ -60,7 +60,7 @@
 	libgstreamer-plugins-base1.0-0 \
 	mesa-common-dev \
 	uboot-imx \
-	wayland-protocols-imx \
+	wayland-protocols \
 	weston-imx \
 
 rootfs: $(PRODUCT_OUT)/rootfs.img