Integrate gf-emc-test-suite/add_serial_helper_script
requested to merge integrate/gf-emc-test-suite/add_serial_helper_script/into/kirkstone into kirkstone
Commit: seco-ne/tools/gf-emc-test-suite@705ea75c
helper: Add script to enable/disable the standard output on the terminal
This is required by some tests that exchange data on the default tty.