vpb-driver: Remove references to nonfree firmware blob

Verbatim from Legimet, avaliable at
http://listas.trisquel.info/pipermail/trisquel-devel/2014-May/000839.html

helpers/make-vpb-driver

+#!/bin/sh
+#
+#    Copyright (C) 2014  Legimet
+#
+#    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 St, Fifth Floor, Boston, MA  02110-1301 USA
+#
+
+VERSION=1
+
+. ./config
+
+# Remove references to nonfree firmware blob
+rm debian/fetch-openline-firmware
+
+sed -i '/./{H;$!d;};x;/firmware/d;' debian/copyright
+sed -i '1d' debian/copyright
+echo >> debian/copyright
+
+sed -i '/./{H;$!d;};x;/firmware/d;' debian/README.Debian
+sed -i '1d' debian/README.Debian
+echo >> debian/README.Debian
+
+sed -i '/fetch-openline-firmware/d' debian/rules
+
+changelog "Remove references to nonfree blob, fixes #10980"
+
+compile