b2xx: Updating FPGA source with recent bugfixes.

Original-commit: 4b4365a517938b365af57674a3ab1462432c2c3a

lib/dsp/cic_decim.v

@@ -4,7 +4,19 @@
 //
 //  Copyright (C) 2003 Matt Ettus
 //
-
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
 //