blackfin: add baudrate to bdinfo

Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>

arch/blackfin/lib/board.c

@@ -231,6 +231,8 @@ static int global_board_data_init(void)
 	bd->bi_sclk = get_sclk();
 	bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
 	bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
+	bd->bi_baudrate = (gd->baudrate > 0)
+		? simple_strtoul(gd->baudrate, NULL, 10) : CONFIG_BAUDRATE;
 
 	return 0;
 }