Remove typedefs from bmp_layout.h

We try to avoid typedefs and these ones are easy enough to remove. Before
changing this header in the next patch, remove the typedefs.

Signed-off-by: Simon Glass <sjg@chromium.org>
Suggested-by: Joe Hershberger <joe.hershberger@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/video/bus_vcxk.c b/drivers/video/bus_vcxk.c
index 60a5cc5..2f54d3d 100644
--- a/drivers/video/bus_vcxk.c
+++ b/drivers/video/bus_vcxk.c
@@ -358,7 +358,7 @@
 
 int vcxk_display_bitmap(ulong addr, int x, int y)
 {
-	bmp_image_t *bmp;
+	struct bmp_image *bmp;
 	unsigned long width;
 	unsigned long height;
 	unsigned long bpp;
@@ -369,7 +369,7 @@
 	unsigned long c_height;
 	unsigned char *dataptr;
 
-	bmp = (bmp_image_t *) addr;
+	bmp = (struct bmp_image *)addr;
 	if ((bmp->header.signature[0] == 'B') &&
 	    (bmp->header.signature[1] == 'M')) {
 		width        = le32_to_cpu(bmp->header.width);