docs: add ISC licence

Save the top 21 lines of sys-utils/rfkill.c as COPYING.ISC. This is
useful for Linux distributions an integration tools like Buildroot,
to collect detailed legal information for each package.

[kzak@redhat.com: - remove C-comments and rfkill header]

Signed-off-by: Carlos Santos <casantos@datacom.ind.br>
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/Documentation/licenses/COPYING.ISC b/Documentation/licenses/COPYING.ISC
new file mode 100644 (file)
index 0000000..8351a30
--- /dev/null
+++ b/Documentation/licenses/COPYING.ISC
@@ -0,0 +1,11 @@
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.