We made a u-boot patch to fix the hang up issue

when booting filesystem from ramdisk.

Signed-off-by:Jason Jin <Jason.jin@freescale.com>

common/cmd_bootm.c

@@ -538,6 +538,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
 			initrd_copy_to_ram = 0;
 	} else {	/* not set, no restrictions to load high */
 		initrd_high = ~0;
+		initrd_copy_to_ram = 0;
 	}
 
 #ifdef CONFIG_LOGBUFFER