scripts/flashing/flash.sh: remove trailing whitespaces

Signed-off-by: Rosen Penev <rosenp@gmail.com>
[cut out of patch with different subject]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
This commit is contained in:
Rosen Penev 2020-01-05 18:27:08 -08:00 committed by Adrian Schmutzler
parent 34a2780395
commit 69f8983af4