SPDX: add X11 SPDX-License-Identifier
These is a growing trend to license DT files dual GPL and X11
especially in the Linux community. It allows easier reuse of
device trees for other software projects.
This commit prepares for doing so in U-Boot too, since DT files are
often copied from the kernel to U-Boot.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/Licenses/README b/Licenses/README
index 9b9a462..731d45c 100644
--- a/Licenses/README
+++ b/Licenses/README
@@ -67,3 +67,4 @@
IBM PIBS (PowerPC Initialization and IBM-pibs ibm-pibs.txt
Boot Software) license
ISC License ISC Y isc.txt https://spdx.org/licenses/ISC
+X11 License X11 x11.txt https://spdx.org/licenses/X11.html