Enable Device Provisioning Protocol (DPPv2) in hostapd
for the "full" build-variants.
DPPv2 currently does not compile with WolfSSL due to
missing PKCS7 and certificate support.
Link: https://github.com/openwrt/openwrt/pull/18485
Signed-off-by: Gustavo Bertoli <gubertoli@gmail.com>