Revert "Remove unused and broken options forwarding from nqp-configure"

This reverts commit 608c6cd.
I obviously have no idea what I'm doing...

Configure.pl

@@ -62,6 +62,7 @@ BEGIN
     $config->{$config_status} = join ' ', map { qq("$_") } @ARGV;
 
     GetOptions(
+        $cfg->options,
         'help!',            'prefix=s',
         'perl6-home=s',     'nqp-home=s',
         'sysroot=s',        'sdkroot=s',