fbdev: fix au1*fb builds

Commit 1c16697bf9d5b206cb0d2b905a54de5e077296be
("drivers/video/au*fb.c: use devm_ functions) introduced 2 build failures
in the au1100fb and au1200fb drivers, fix them.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c
index 3e9a773..7ca79f0 100644
--- a/drivers/video/au1200fb.c
+++ b/drivers/video/au1200fb.c
@@ -1724,7 +1724,7 @@
 		/* Allocate the framebuffer to the maximum screen size */
 		fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8;
 
-		fbdev->fb_mem = dmam_alloc_noncoherent(&dev->dev, &dev->dev,
+		fbdev->fb_mem = dmam_alloc_noncoherent(&dev->dev,
 				PAGE_ALIGN(fbdev->fb_len),
 				&fbdev->fb_phys, GFP_KERNEL);
 		if (!fbdev->fb_mem) {