802.15.4 STM S2LP driver update

Update STM S2LP driver to version v1.0.8

Author: Arto Kinnunen

connectivity/drivers/802.15.4_RF/stm-s2lp-rf-driver/source/NanostackRfPhys2lp.cpp

@@ -848,7 +848,11 @@ static void rf_cca_timer_interrupt(void)
         rf_flush_tx_fifo();
         tx_finnish_time = rf_get_timestamp();
         if (device_driver.phy_tx_done_cb) {
-            device_driver.phy_tx_done_cb(rf_radio_driver_id, mac_tx_handle, PHY_LINK_CCA_FAIL, 0, 0);
+            if (rf_state == RF_RX_STARTED) {
+                device_driver.phy_tx_done_cb(rf_radio_driver_id, mac_tx_handle, PHY_LINK_CCA_FAIL_RX, 0, 0);
+            } else {
+                device_driver.phy_tx_done_cb(rf_radio_driver_id, mac_tx_handle, PHY_LINK_CCA_FAIL, 0, 0);
+            }
         }
     } else {
         if (status == PHY_RESTART_CSMA) {
@@ -1143,7 +1147,7 @@ static void rf_irq_task_process_irq(void)
         tx_finnish_time = rf_get_timestamp();
         rf_update_tx_active_time();
         TEST_TX_DONE
-        device_driver.phy_tx_done_cb(rf_radio_driver_id, mac_tx_handle, PHY_LINK_CCA_FAIL, 1, 0);
+        device_driver.phy_tx_done_cb(rf_radio_driver_id, mac_tx_handle, PHY_LINK_CCA_FAIL_RX, 1, 0);
         rf_send_command(S2LP_CMD_SABORT);
         rf_poll_state_change(S2LP_STATE_READY);
         rf_send_command(S2LP_CMD_FLUSHTXFIFO);