util/docker: Add sdcc to our build nodes

core-ec will need it.

Change-Id: Id7d677a6f92ce266f893372a2540d77abb613707
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46940
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

util/docker/coreboot-jenkins-node/Dockerfile

@@ -20,6 +20,7 @@ USER root
 RUN apt-get -y update && \
 	apt-get -y install \
 	meson ninja-build \
+	sdcc \
 	lua5.3 liblua5.3-dev default-jre-headless openssh-server && \
 	apt-get clean