remove geninitrd, use genimage --onlyinitrd instead

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.7@14368 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/share/xcat/netboot/suse/genimage

@@ -28,6 +28,7 @@ my $pathtofiles=dirname($0);
 my $fullpath=realpath($pathtofiles);
 my $name = basename($0);
 my $onlyinitrd=0;
+#that this method of calling genimage is no longer used
 if ($name =~ /geninitrd/) {
    $onlyinitrd=1;
 }
@@ -77,7 +78,8 @@ GetOptions(
    'r=s' => \$othernics,
    'l=s' => \$rootlimit,
    't=s' => \$tmplimit,
-   'k=s' => \$kernelver
+   'k=s' => \$kernelver,
+   'onlyinitrd' =>\$onlyinitrd,
 );
 if (@ARGV > 0) {
     $imagename=$ARGV[0];