sparc video: remove open boot prom code

Replace remaining open boot prom code with of.

Boot tested on sparc32 and compile tested on sparc64.

Signed-off-by: Robert Reif <reif@earthlink.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/video/bw2.c b/drivers/video/bw2.c
index 79f85dc..e721644 100644
--- a/drivers/video/bw2.c
+++ b/drivers/video/bw2.c
@@ -17,11 +17,9 @@
 #include <linux/init.h>
 #include <linux/fb.h>
 #include <linux/mm.h>
+#include <linux/of_device.h>
 
 #include <asm/io.h>
-#include <asm/oplib.h>
-#include <asm/prom.h>
-#include <asm/of_device.h>
 #include <asm/fbio.h>
 
 #include "sbuslib.h"
@@ -299,7 +297,7 @@
 	par->physbase = op->resource[0].start;
 	par->which_io = op->resource[0].flags & IORESOURCE_BITS;
 
-	sbusfb_fill_var(&info->var, dp->node, 1);
+	sbusfb_fill_var(&info->var, dp, 1);
 	linebytes = of_getintprop_default(dp, "linebytes",
 					  info->var.xres);