scripts: use /sbin/ifconfig where appropriate

lib/cros_build_lib.py

 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Common python commands used by various build scripts."""
 
 import inspect
 import os
 import re
 import subprocess
@@ skipping 238 matching lines @@
 
 
 def GetIPAddress(device='eth0'):
   """Returns the IP Address for a given device using ifconfig.
 
   socket.gethostname() is insufficient for machines where the host files are
   not set up "correctly."  Since some of our builders may have this issue,
   this method gives you a generic way to get the address so you are reachable
   either via a VM or remote machine on the same network.
   """
-  ifconfig_output = RunCommand(['sudo', 'ifconfig', device],
+  ifconfig_output = RunCommand(['/sbin/ifconfig', device],
                                redirect_stdout=True, print_cmd=False)
   match = re.search('.*inet addr:(\d+\.\d+\.\d+\.\d+).*', ifconfig_output)
   if match:
     return match.group(1)
   else:
     Warning('Failed to find ip address in %s' % ifconfig_output)
     return None