[xen master] Add SPDX to CODING_STYLE

[patchbot@xxxxxxx]

commit 17dfc79ce9fd6cf508ee84a7d0d972d6abe268c2
Author:     Stefano Stabellini <stefano.stabellini@xxxxxxx>
AuthorDate: Wed Oct 12 17:56:47 2022 -0700
Commit:     Stefano Stabellini <stefano.stabellini@xxxxxxx>
CommitDate: Fri Nov 11 12:19:18 2022 -0800

    Add SPDX to CODING_STYLE
    
    Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxx>
    Reviewed-by: Julien Grall <jgrall@xxxxxxxxxx>
    Release-acked-by: Henry Wang <Henry.Wang@xxxxxxx>
---
 CODING_STYLE | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/CODING_STYLE b/CODING_STYLE
index 3386ee1d90..5faf274b3a 100644
--- a/CODING_STYLE
+++ b/CODING_STYLE
@@ -14,6 +14,16 @@ explicitly (e.g. tools/libxl/CODING_STYLE) but often 
implicitly (Linux
 coding style is fairly common). In general you should copy the style
 of the surrounding code. If you are unsure please ask.
 
+SPDX
+----
+
+New files should start with a single-line SPDX comment to express the
+license, e.g.:
+
+/* SPDX-License-Identifier: GPL-2.0 */
+
+See LICENSES/ for a list of licenses and SPDX tags currently used.
+
 MISRA C
 -------
 
--
generated by git-patchbot for /home/xen/git/xen.git#master