Add missing wpabuf_free calls to the hostapd_rrm_nr_set and
hostapd_rrm_beacon_req functions.
Signed-off-by: Vladimir Palevich <palevichva@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/22538
Signed-off-by: Nick Hainke <vincent@systemli.org>