Test the tpm recovery script with a real TPM.

utility/tpm-nvsize

 #! /bin/sh -e
 # 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.
 #
 # Finds the largest NV space that can be defined on the TPM in this state
 # (i.e. without removing existing spaces).
 #
 # The TPM must be unowned, and physical presence must be on.
 
 low=1
 high=1500
 try=$high
 
 # Binary search with no upper bound
 while true; do
   ## echo trying $try [ $low $high ]
   if /usr/bin/tpmc definespace 0xf004 $(printf "0x%x" $try) 0x1 \
-                                                      > dev/null 2>&1; then
+                                                      > /dev/null 2>&1; then
     # definespace success: end, or $try must grow
     if [ $try -eq $low ]; then
       echo $low
       exit 0
     elif [ $try -lt $high ]; then
       low=$try
       try=$(( ( $high + $low ) / 2 ))
     else
       # special case: when try == high, expand the search
       low=$try
@@ skipping 11 matching lines @@
     fi
     # definespace failure: end, or $try must shrink
     if [ $try -eq $low ]; then
       echo 0
       exit 0
     fi
     high=$try
     try=$(( ( $high + $low ) / 2 ))
   fi
 done