src: add nvidia-firmware license

[Repository Conversion <srcmastr%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/cf573ef54dd4
branches:  trunk
changeset: 317921:cf573ef54dd4
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sun Apr 08 16:57:07 2018 +0000
description:
add nvidia-firmware license

diffstat:

 external/README |  6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diffs (20 lines):

diff -r 5f648d21baf9 -r cf573ef54dd4 external/README
--- a/external/README   Sun Apr 08 15:48:39 2018 +0000
+++ b/external/README   Sun Apr 08 16:57:07 2018 +0000
@@ -1,4 +1,4 @@
-$NetBSD: README,v 1.16 2018/04/07 22:39:31 christos Exp $
+$NetBSD: README,v 1.17 2018/04/08 16:57:07 jmcneill Exp $
 
 Organization of Sources:
 
@@ -82,6 +82,10 @@
        mpl             Mozilla Public license.
                        https://opensource.org/licenses/MPL-2.0
 
+       nvidia-firmware NVIDIA firmware license permitting redistribution for
+                       use on operating systems distributed under the terms
+                       of an OSI-approved open source license.
+
        public-domain   Non-license for code that has been explicitly put
                        into the Public Domain.