OpenWrt commit 2984a0420 (cb650143 for 21.02) changed the default 802.11r
Fast Transition method to be ft-over-air instead of ft-over-ds.
Offer ft-over-air as the first item in the drop-down list, so that
it gets selected by default when 802.11r option is enabled.
Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
(cherry picked from commit 2c3c7f5c50efd71bf87c068359cb0110a513186f)
77c916e54b