tests/docker: use debian-all-test-cross for power

Maintaining two sets of containers for test building is silly. While
it makes sense for the QEMU cross-compile targets to have their own
fat containers built by lcitool we might as well merge the other
random debian based compilers into the same one used on gitlab.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231029145033.592566-9-alex.bennee@linaro.org>

tests/docker/Makefile.include

@@ -122,7 +122,6 @@ docker-image-debian-nios2-cross: $(DOCKER_FILES_DIR)/debian-toolchain.docker \
 	$(call debian-toolchain, $@)
 
 # These images may be good enough for building tests but not for test builds
-DOCKER_PARTIAL_IMAGES += debian-powerpc-test-cross
 DOCKER_PARTIAL_IMAGES += debian-hppa-cross
 DOCKER_PARTIAL_IMAGES += debian-m68k-cross debian-mips64-cross
 DOCKER_PARTIAL_IMAGES += debian-microblaze-cross

tests/docker/dockerfiles/debian-powerpc-test-cross.docker

@@ -1,23 +0,0 @@
-#
-# Docker powerpc/ppc64/ppc64le cross-compiler target
-#
-# This docker target builds on the Debian Bullseye base image.
-#
-FROM docker.io/library/debian:11-slim
-
-RUN export DEBIAN_FRONTEND=noninteractive && \
-    apt-get update && \
-    apt-get install -y eatmydata && \
-    eatmydata apt-get dist-upgrade -y && \
-    eatmydata apt-get install --no-install-recommends -y \
-        gcc-powerpc-linux-gnu \
-        libc6-dev-powerpc-cross \
-        gcc-10-powerpc64-linux-gnu \
-        libc6-dev-ppc64-cross \
-        gcc-10-powerpc64le-linux-gnu \
-        libc6-dev-ppc64el-cross
-# As a final step configure the user (if env is defined)
-ARG USER
-ARG UID
-RUN if [ "${USER}" ]; then \
-  id ${USER} 2>/dev/null || useradd -u ${UID} -U ${USER}; fi