travis-ci fix coverity scan and px4_metadata (#8156)

Tools/docker_run.sh

@@ -59,9 +59,13 @@ docker run -it --rm -w "${SRC_DIR}" \
 	--env=CODECOV_TOKEN \
 	--env=COVERALLS_REPO_TOKEN \
 	--env=LOCAL_USER_ID="$(id -u)" \
+	--env=PX4_ASAN \
+	--env=PX4_MSAN \
+	--env=PX4_TSAN \
+	--env=PX4_UBSAN \
 	--env=TRAVIS_BRANCH \
 	--env=TRAVIS_BUILD_ID \
 	--publish 14556:14556/udp \
 	--volume=${CCACHE_DIR}:${CCACHE_DIR}:rw \
 	--volume=${SRC_DIR}:${SRC_DIR}:rw \
-	${PX4_DOCKER_REPO} /bin/bash -c "$@"
+	${PX4_DOCKER_REPO} /bin/bash -c "$1 $2 $3"

Tools/px_process_airframes.py

@@ -64,10 +64,10 @@ def main():
                              " (default FILENAME: airframes.xml)")
     parser.add_argument("-m", "--markdown",
                         nargs='?',
-                        const="airframe_reference.md",
+                        const="airframes.md",
                         metavar="FILENAME",
                         help="Create Markdown file"
-                             " (default FILENAME: airframes_reference.md)")
+                             " (default FILENAME: airframes.md)")
     default_image_path = '../../assets/airframes/types'
     parser.add_argument("-i", "--image-path",
                         default=default_image_path,