hostap: Free the buffer for TX status

Now that TX status buffer is allocated on heap by Zephyr driver, free
the buffer once its processed.

Signed-off-by: Chaitanya Tata <Chaitanya.Tata@nordicsemi.no>
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
1 file changed