[PATCH 2/2] Dockerfile: Update to namespace for some labels

[Tom Rini]

Using "MAINTAINER" and "Description" have been replaced with
org.opencontainers.image namespace variables.

Signed-off-by: Tom Rini <trini at konsulko.com>
---
 tools/docker/Dockerfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile
index cda87354566d..f0e36994cc23 100644
--- a/tools/docker/Dockerfile
+++ b/tools/docker/Dockerfile
@@ -3,8 +3,8 @@
 # to build U-Boot and run our test suites.
 
 FROM ubuntu:jammy-20240227
-MAINTAINER Tom Rini <trini at konsulko.com>
-LABEL Description=" This image is for building U-Boot inside a container"
+LABEL org.opencontainers.image.authors="Tom Rini <trini at konsulko.com>"
+LABEL org.opencontainers.image.description=" This image is for building U-Boot inside a container"
 
 # Make sure apt is happy
 ENV DEBIAN_FRONTEND=noninteractive
-- 
2.34.1