This patch adds a check in "wifi detect" to test if the wireless
configuration file does exist. If it doesn't exist, an empty
/etc/config/wireless file will be created.
This is necessary because uci doesn't create new files,
instead the tool just exits with "uci: Entry not found".
Signed-off-by: Mathias Kresin <dev@kresin.me>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>