contrib/rtos-helpers/FreeRTOS-openocd: change license to CC0-1.0
This file is intended to be included in any user's project that
plans to use OpenOCD awareness for FreeRTOS.
It is supposed to be distributed under a permissive license to not
impact the original license of the user's project.
Distribute it under Creative Commons Zero v1.0 Universal license.
Change-Id: I7ac90e8b742517bcafc08c00662625671c8159c4
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7995
Reviewed-by: Karl Palsson <karlp@tweak.au>
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
Tested-by: jenkins