bd_info: remove bi_barudrate member from struct bd_info

gd->bd->bi_baudrate is a copy of gd->baudrate.

Since baudrate is a common feature for all architectures,
keep gd->baudrate only.

It is true that bi_baudrate was passed to the kernel in that structure
but it was a long time ago.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Tom Rini <trini@ti.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Heiko Schocher <hs@denx.de>
Acked-by: Michal Simek <monstr@monstr.eu> (For microblaze)
diff --git a/board/mvblue/mvblue.c b/board/mvblue/mvblue.c
index 69abb06..63503e8 100644
--- a/board/mvblue/mvblue.c
+++ b/board/mvblue/mvblue.c
@@ -58,7 +58,6 @@
 	u32 BoardType = get_BoardType ();
 	char *BoardName[2] = { "mvBlueBOX", "mvBlueLYNX" };
 	char *p;
-	bd_t *bd = gd->bd;
 
 	hw_watchdog_reset ();
 
@@ -71,8 +70,8 @@
 	if ((p = getenv ("console_nr")) != NULL) {
 		unsigned long con_nr = simple_strtoul (p, NULL, 10) & 3;
 
-		bd->bi_baudrate &= ~3;
-		bd->bi_baudrate |= con_nr & 3;
+		gd->baudrate &= ~3;
+		gd->baudrate |= con_nr & 3;
 	}
 	return 0;
 }