cmd_bmp.c: make bmp_display() usable by drivers or board code

Currently bmp_display() is static and can not be used directly
in the driver or board code. Export it for other users.

Signed-off-by: Anatolij Gustschin <agust@denx.de>

common/cmd_bmp.c

@@ -33,7 +33,6 @@
 #include <malloc.h>
 
 static int bmp_info (ulong addr);
-static int bmp_display (ulong addr, int x, int y);
 
 /*
  * Allocate and decompress a BMP image using gunzip().
@@ -221,7 +220,7 @@ static int bmp_info(ulong addr)
  * Return:      None
  *
  */
-static int bmp_display(ulong addr, int x, int y)
+int bmp_display(ulong addr, int x, int y)
 {
 	int ret;
 	bmp_image_t *bmp = (bmp_image_t *)addr;

include/lcd.h

@@ -55,6 +55,7 @@ extern void lcd_initcolregs (void);
 
 /* gunzip_bmp used if CONFIG_VIDEO_BMP_GZIP */
 extern struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp);
+extern int bmp_display(ulong addr, int x, int y);
 
 #if defined CONFIG_MPC823
 /*