gitlab/azure: Use -w flag for all test.py builds

Avoid needing to know about the internal .bm-work directory, by passing
the -w flag to buildman.

This is not needed on travis since the -w flag is already used (from a
previous patch).

Drop the -P flag since this has no effect if -w is used.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index 21ad152..e1e69c1 100644
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -264,16 +264,16 @@
           fi
           # the below corresponds to .gitlab-ci.yml "script"
           cd ${WORK_DIR}
+          export UBOOT_TRAVIS_BUILD_DIR=/tmp/${TEST_PY_BD};
           ret=0;
-          tools/buildman/buildman -o /tmp -P -E --board ${TEST_PY_BD} ${OVERRIDE} || ret=$?;
+          tools/buildman/buildman -o ${UBOOT_TRAVIS_BUILD_DIR} -w -E --board ${TEST_PY_BD} ${OVERRIDE} || ret=$?;
           if [[ $ret -ne 0 && $ret -ne 129 ]]; then
-              tools/buildman/buildman -o /tmp -seP --board ${TEST_PY_BD};
+              tools/buildman/buildman -o ${UBOOT_TRAVIS_BUILD_DIR} -w -se --board ${TEST_PY_BD};
               exit $ret;
           fi
           virtualenv -p /usr/bin/python3 /tmp/venv
           . /tmp/venv/bin/activate
           pip install -r test/py/requirements.txt
-          export UBOOT_TRAVIS_BUILD_DIR=/tmp/.bm-work/${TEST_PY_BD};
           export PATH=/opt/qemu/bin:/tmp/uboot-test-hooks/bin:${PATH};
           export PYTHONPATH=/tmp/uboot-test-hooks/py/travis-ci;
           ./test/py/test.py --bd ${TEST_PY_BD} ${TEST_PY_ID} -k "${TEST_PY_TEST_SPEC:-not a_test_which_does_not_exist}" --build-dir "$UBOOT_TRAVIS_BUILD_DIR";