ci: update CI scripts

    matrix:

        - MATRIX_BUILD="1"

        - MATRIX_BUILD="2"

        - MATRIX_BUILD="3"

build:

    cache: true

        - ${SHIPPABLE_BUILD_DIR}/ccache

    pre_ci_boot:

        image_name: zephyrprojectrtos/ci

        image_tag: master.16

        image_tag: master.27

        pull: true

        options: "-e HOME=/home/buildslave --privileged=true --tty --net=bridge --user buildslave"

    ci:

      - export CCACHE_DIR=${SHIPPABLE_BUILD_DIR}/ccache/.ccache

      - git rebase origin/${PULL_REQUEST_BASE_BRANCH}

      - source zephyr-env.sh

      - ccache -c -s --max-size=2000M

      - make host-tools

            S3_PATH="s3://zephyr-logs/${LOG_TYPE}/${REPO_FULL_NAME}/${BUILD_NUMBER}";

          fi;

      - >

          if [ "$MATRIX_BUILD" = "1" -a "$IS_PULL_REQUEST" = "true" ]; then

            export COMMIT_RANGE=origin/${PULL_REQUEST_BASE_BRANCH}..${COMMIT}

          if [ "$MATRIX_BUILD" = "3" -a "$IS_PULL_REQUEST" = "true" ]; then

            export COMMIT_RANGE=origin/${PULL_REQUEST_BASE_BRANCH}..HEAD

            echo "Building a Pull Request";

            echo "- Building Documentation";

            echo "Commit range:" ${COMMIT_RANGE}

            sudo pip install sphinx==1.5.5

            make htmldocs > doc.log 2>&1;

            ./scripts/filter-known-issues.py --config-dir .known-issues/doc/ doc.log > doc.warnings;

            python2 ./scripts/filter-known-issues.py --config-dir .known-issues/doc/ doc.log > doc.warnings;

            if [ "$?" != 0 ]; then

              echo " ==> Error running filter script"

              exit 1

            fi;

            if [ -s doc.warnings ]; then

              echo " => New documentation warnings/errors";

            fi;

            echo "- Verify commit message and coding style";

            ./scripts/ci/check-compliance.py || true;

          fi;

      - >

          if [ "$JOB_TRIGGERED_BY_NAME" = "daily-verify" ]; then

            echo "- Building with --all --enable-slow";

            COVERAGE="--all --enable-slow";

            ./scripts/ci/check-compliance.py --commits ${COMMIT_RANGE} || true;

          fi;

      - >

          if [ "$MATRIX_BUILD" != "3" ]; then

          	./scripts/sanitycheck ${PLATFORMS} --subset ${MATRIX_BUILD}/${MATRIX_BUILDS} ${COVERAGE} ${SANITYCHECK_OPTIONS} || ./scripts/sanitycheck ${PLATFORMS} --subset ${MATRIX_BUILD}/${MATRIX_BUILDS}  ${COVERAGE} ${SANITYCHECK_OPTIONS_RETRY};

          fi;

      - ccache -s

    on_success:

      - rm -rf sanity-out out-2nd-pass