net: ieee802154: adf7242: Fix erroneous RX enable

Only enable RX mode if the netdev is opened.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
1 file changed