Modified the algo to calculate md5_hex for HB Bins

Change-Id: I3e82d0fd32a4cd56b90d7df16160e144671484fa
CQ: SW319776
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/20200
Tested-by: Jenkins Server
Tested-by: Jenkins OP Build CI
Tested-by: Jenkins OP HW
Tested-by: FSP CI Jenkins
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

Author: Raja Das

src/usr/targeting/common/xmltohb/xmltohb.pl

@@ -5951,8 +5951,18 @@ sub generateTargetingImage {
     {
         #Generate the MD5 checksum value for the read-only data and update the
         #content of the version section
+        my $md5hex = Digest::MD5->new;
+        $md5hex->add($numTargetsPointerBinData);
+        $md5hex->add($attributeListBinData);
+        $md5hex->add($attributePointerBinData);
+        $md5hex->add($numTargetsBinData);
+        $md5hex->add($targetsBinData);
+        $md5hex->add($roAttrBinData);
+        $md5hex->add($associationsBinData);
+        $md5hex->add($heapPnorInitBinData);
+
         my $versionHeader = "VERSION";
-        $versionHeader .= md5_hex($roAttrBinData);
+        my $versionHeader .= $md5hex->hexdigest;
 
         $outFile .= $versionHeader;
         my $versionHeaderPadSize =