check networks table instead of installnic to determine it is booting from hfi

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@11568 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/lib/xcat/plugins/anaconda.pm

@@ -640,7 +640,8 @@ sub mknetboot
             }
         }
 
-        if ( grep /hf/, $reshash->{$node}->[0]->{installnic} )
+        my %client_nethash = xCAT::DBobjUtils->getNetwkInfo( [$node] );
+        if ( $client_nethash{$node}{mgtifname} =~ /hf/ )
         {
             $kcmdline .= "rdloaddriver=hf_if ";
         }