util/docker: Split coreboot-sdk test into its own docker image

This allows the coreboot-sdk docker image to build properly even if the
testing fails, and keeps the added overhead out of the coreboot-sdk
image.

Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: I6488799256f57ad64e14c93e7317b7ad2a71781c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75494
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>

util/docker/coreboot-sdk/Dockerfile

@@ -113,39 +113,5 @@ ENV SDK_VERSION={{SDK_VERSION}}
 ENV SDK_COMMIT={{DOCKER_COMMIT}}
 USER coreboot
 
-FROM coreboot-sdk
-# Test the built image
-RUN mkdir -p /tmp/work && \
-  cd /tmp/work && \
-  git clone https://review.coreboot.org/bios_extract.git && \
-  make -C bios_extract && \
-  git clone https://review.coreboot.org/memtest86plus.git && \
-  make -C memtest86plus && \
-  git clone https://review.coreboot.org/flashrom.git && \
-  CONFIG_EVERYTHING=yes make -C flashrom && \
-  git clone https://review.coreboot.org/em100.git && \
-  make -C em100 && \
-  git clone https://review.coreboot.org/coreboot.git && \
-  (cd coreboot && git submodule update --init --checkout ) && \
-  make -C coreboot CPUS=$(nproc) test-abuild
-
-RUN \
-  cd /tmp/work && \
-  make -C coreboot olddefconfig && \
-  make -C coreboot all -j && \
-  make -C coreboot printall && \
-  make -C coreboot filelist && \
-  make -C coreboot ctags-project && \
-  make -C coreboot cscope-project
-
-RUN \
-  cd /tmp/work && \
-  make -C coreboot test-payloads&& \
-  make -C coreboot test-tools -j && \
-  make -C coreboot test-lint -j && \
-  make -C coreboot test-cleanup -j && \
-  cd && \
-  rm -rf /tmp/work/
-
 FROM coreboot-sdk
 VOLUME /home/coreboot/.ccache