setup-environment: fix issue when several machine start with same name
setup-environment: fix issue when several machine start with same name

The current 'find' command was confused because we have dragonboard410c and
dragonboard410c-32 now, and it would pick both. Instead of using grep to filter,
rely on find -path.

Change-Id: Ie1f9dec542c7d37aca7875b7ad07f01522293e5a
Signed-off-by: Nicolas Dechesne <05fca36dfcf68f7e1c9eaf62b074676ab50a133b@linaro.org>

linaro-home/lhg-oe-manifests