nimble/ll: Remove evt reference from aux_data
Once aux_data->evt is taken, remove reference to it from aux_data as it
is not needed.
@@ -2370,6 +2370,7 @@ ble_ll_hci_send_ext_adv_report(uint8_t ptype, uint8_t *adva, uint8_t adva_type,
*/
if (aux_data && aux_data->evt) {
evt = aux_data->evt;
+ aux_data->evt = NULL;
} else {
evt = ble_ll_scan_init_ext_adv_report(NULL);
if (!evt) {
