west: openocd: Add config file dir to search path

Use the folder the config file is in as an additional search directory
for openocd. This way additional files, like custom debug interface
files can be put in the support folder of a board and the openocd.cfg
can use them.

Signed-off-by: Christian Taedcke <christian.taedcke@lemonbeat.com>
1 file changed