Populate the GBB blob files to factory image.

mod_for_factory_scripts/500populateQualDbs

 #!/bin/bash
 
 # 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.
 
 TEST_DIR="${ROOT_FS_DIR}/usr/local/autotest/site_tests/hardware_Components"
 
 pushd ${TEST_DIR} 1> /dev/null
 
 if [ -z ${QUALDB} ]; then
   # If QUALDB not specified, check the existence of the qualified components
   # belonging to the board.
   QUALDB="qualified_components_${BOARD}*"
-  FIRST_QUALDB=$(ls $QUALDB | head -1)
+  FIRST_QUALDB=$(ls $QUALDB 2> /dev/null | head -1)
   if [ ! -z ${FIRST_QUALDB} ]; then
     # Remove qualified components belonging to other boards
-    ls qualified_components* | grep -v qualified_components_${BOARD} \
-      | xargs rm -f
+    ls qualified_components* 2> /dev/null | grep -v \
+        qualified_components_${BOARD} | xargs rm -f
   else
     echo "No qualified component file found at: ${QUALDB}"
   fi
 else
   rm -f qualified_components*
   echo "Copying ${QUALDB} to the image."
   cp -f ${QUALDB} ${TEST_DIR}/
 fi
 
 popd 1> /dev/null