KAR-911 reset devices

• Update documentation describing MARKS for hardware and k8s test
• Added variable PIPELINE_TEST_VAR passed in pipeline for switching between running with reset or no reset (by default reset is called)
• Added job to uninstall spfrx chart
• Ran equivalent of k8s test locally to show tests pass - see results in attachment

pytest -m '(not (unit or ds_itf or spfrx_itf or verify_eda))' --forked --json-report --json-report-file=build/report.json --junitxml=build/report.xml --cucumberjson=build/cucumber.json --event-storage-files-path="build/events" ./tests > standby_reset-10.log

standby_reset-10.log