Trivial: Add SPDX tags to source files

Signed-off-by: Grant Likely <[email protected]>

FAQ.md

@@ -43,3 +43,5 @@ only and not with Linaro membership.
 The membership proceeds go towards the defraying of Linaro’s costs for hosting devicetree.org.
 
 If you have useful FAQs you would like to see here, please contact us through the mailing list
+
+<!-- SPDX-License-Identifier: Apache-2.0 -->

Makefile

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
+#
 # Minimal makefile for Sphinx documentation
 #
 

README.md

@@ -136,3 +136,4 @@ By making a contribution to this project, I certify that:
     this project or the open source license(s) involved.
 ```
 
+<!-- SPDX-License-Identifier: Apache-2.0 -->

linux-doc-removal-schedule.rst

@@ -8,3 +8,5 @@ The content of the following files have been imported into the spec from the Lin
          bindings/
             reserved-memory/
                reserved-memory.txt     # Added commit 841c0878
+
+.. SPDX-License-Identifier: Apache-2.0

source/acknowledgements.rst

@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 **Acknowledgements**
 
 The devicetree.org Technical Steering Committee would like to

source/chapter1-introduction.rst

@@ -1,3 +1,4 @@
+.. SPDX-License-Identifier: Apache-2.0
 
 .. _chapter-introduction:
 

source/chapter2-devicetree-basics.rst

@@ -1,4 +1,4 @@
-
+.. SPDX-License-Identifier: Apache-2.0
 
 .. _chapter-devicetree:
 

source/chapter3-devicenodes.rst

@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 .. _chapter-device-node-requirements:
 
 Device Node Requirements

source/chapter4-device-bindings.rst

@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 .. _chapter-device-bindings:
 
 Device Bindings

source/chapter5-flattened-format.rst

@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 .. _chapter-fdt-structure:
 
 Flattened Devicetree (DTB) Format

source/chapter6-source-language.rst

@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 .. _chapter-devicetree-source-format:
 
 Devicetree Source (DTS) Format (version 1)

source/conf.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 # -*- coding: utf-8 -*-
 #
 # Devicetree Specification documentation build configuration file, created by

source/index.rst

@@ -3,6 +3,8 @@
    You can adapt this file completely to your liking, but it should at least
    contain the root `toctree` directive.
 
+   SPDX-License-Identifier: Apache-2.0
+
 Welcome to Devicetree Specification's documentation!
 ====================================================
 

source/license.rst

@@ -1,3 +1,4 @@
+.. SPDX-License-Identifier: Apache-2.0
 
 **Copyright**
 

source/references.rst

@@ -1,3 +1,4 @@
+.. SPDX-License-Identifier: Apache-2.0
 
 .. [IEEE1275] *Boot (Initialization Configuration) Firmware: Core Requirements
    and Practices*, 1994, This is the core standard (also known as IEEE

source/revhistory.rst

@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 .. _revision-history:
 .. tabularcolumns:: | p{1.5cm} p{2.25cm} p{11.50cm} |
 .. table:: Revision History

source/rst_prolog

@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 .. Revision of the specification
 
 .. |dtspec-major| replace:: 0

writers-guide.rst

@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: Apache-2.0
+
 This document uses the Sphinx implementation of reStructured Text (RST). RST is
 a flexible markup language with lots of options for laying out text. To keep
 thinks simple, this file describes the conventions used by this project. As