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/ffb.c b/drivers/video/ffb.c
index 0f42a69..7992b13 100644
--- a/drivers/video/ffb.c
+++ b/drivers/video/ffb.c
@@ -16,11 +16,10 @@
 #include <linux/fb.h>
 #include <linux/mm.h>
 #include <linux/timer.h>
+#include <linux/of_device.h>
 
 #include <asm/io.h>
 #include <asm/upa.h>
-#include <asm/prom.h>
-#include <asm/of_device.h>
 #include <asm/fbio.h>
 
 #include "sbuslib.h"
@@ -941,7 +940,7 @@
 	info->screen_base = (char *) par->physbase + FFB_DFB24_POFF;
 	info->pseudo_palette = par->pseudo_palette;
 
-	sbusfb_fill_var(&info->var, dp->node, 32);
+	sbusfb_fill_var(&info->var, dp, 32);
 	par->fbsize = PAGE_ALIGN(info->var.xres * info->var.yres * 4);
 	ffb_fixup_var_rgb(&info->var);