samples: peripheral: 802154_phy_test adjust to 802.15.4 API change

The prototype of `nrf_802154_energy_detected` public API function
of the nRF 802.15.4 Radio Driver has changed. This commit adjusts
to these changes.

Signed-off-by: Andrzej Kuros <andrzej.kuros@nordicsemi.no>

samples/peripheral/802154_phy_test/src/rf_proc.c

@@ -283,8 +283,10 @@ void nrf_802154_cca_failed(nrf_802154_cca_error_t error)
  k_work_submit(&rf_cca_failed_wq);
 }
 
-void nrf_802154_energy_detected(uint8_t result)
+void nrf_802154_energy_detected(const nrf_802154_energy_detected_t *p_result)
 {
+ uint8_t result = nrf_802154_energy_level_from_dbm_calculate(p_result->ed_dbm);
+
  LOG_INF("ED finished with result %d", result);
 
  rf_ed_detected_info.result = result;