cfb_console: fix build breakage

Commit 09c2e90c11 "unify version_string"
introduced a build breakage in cfb_console.c

---8<---
cfb_console.c:1497: warning: format '%s' expects type 'char *', but
argument 3 has type 'const char (*)[]'
--->8---

Signed-off-by: Andreas Bie�mann <andreas.devel@googlemail.com>

drivers/video/cfb_console.c

@@ -1494,7 +1494,7 @@ static void *video_logo (void)
 
 	logo_plot (video_fb_address, VIDEO_COLS, 0, 0);
 
-	sprintf (info, " %s", &version_string);
+	sprintf (info, " %s", version_string);
 
 	space = (VIDEO_LINE_LEN / 2 - VIDEO_INFO_X) / VIDEO_FONT_WIDTH;
 	len = strlen(info);