of/video: fix build breakage in FB drivers

Fixes build errors in a number of framebuffer drivers caused
by the OF device_node pointer being moved into struct device

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/video/cg3.c b/drivers/video/cg3.c
index b98f93f..558d73a 100644
--- a/drivers/video/cg3.c
+++ b/drivers/video/cg3.c
@@ -349,7 +349,7 @@
 static int __devinit cg3_probe(struct of_device *op,
 			       const struct of_device_id *match)
 {
-	struct device_node *dp = op->node;
+	struct device_node *dp = op->dev.of_node;
 	struct fb_info *info;
 	struct cg3_par *par;
 	int linebytes, err;