hostap: Fix the macro rename

The macro for crypto has been renamed (and as a choice), so, use the
new macro to see if the crypto has been enabled.

Fixes WPA2/WPA3 association.

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