sandbox: u-boot.lds: tweak style

We use tabs for indentation, not spaces.

Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

arch/sandbox/cpu/u-boot.lds

 /*
- * Copyright (c) 2011 The Chromium OS Authors.
+ * Copyright (c) 2011-2012 The Chromium OS Authors.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
@@ -24,11 +24,11 @@
 
 SECTIONS
 {
-  __u_boot_cmd_start = .;
-  .u_boot_cmd : { *(.u_boot_cmd) }
-  __u_boot_cmd_end = .;
-  __bss_start = .;
+	__u_boot_cmd_start = .;
+	_u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
 
+	__bss_start = .;
 }
 
 INSERT BEFORE .data;