contrib/rtos-helpers/uCOS-III-openocd: change license to Apache-2.0
This file is intended to be included in any user's project that
plans to use OpenOCD awareness for uCOS-III.
It is supposed to be distributed under a license compatible with
the uCOS-III code, that is Apache-2.0 license.
Distribute it under Apache License 2.0.
Change-Id: I51ecd469c8ccdd23a069d21e89b7d90886691395
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7996
Tested-by: jenkins