arcfb: use sys instead of cfb drawing functions

Since arcfb's framebuffer is vmalloc'ed, use the sys_* drawing functions
instead of cfb_*.

Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
index 66e0bd1..740b83b 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -369,7 +369,7 @@
 {
 	struct arcfb_par *par = info->par;
 
-	cfb_fillrect(info, rect);
+	sys_fillrect(info, rect);
 
 	/* update the physical lcd */
 	arcfb_lcd_update(par, rect->dx, rect->dy, rect->width, rect->height);
@@ -380,7 +380,7 @@
 {
 	struct arcfb_par *par = info->par;
 
-	cfb_copyarea(info, area);
+	sys_copyarea(info, area);
 
 	/* update the physical lcd */
 	arcfb_lcd_update(par, area->dx, area->dy, area->width, area->height);
@@ -390,7 +390,7 @@
 {
 	struct arcfb_par *par = info->par;
 
-	cfb_imageblit(info, image);
+	sys_imageblit(info, image);
 
 	/* update the physical lcd */
 	arcfb_lcd_update(par, image->dx, image->dy, image->width,