drivers: bluetooth: hci: update macro name after stm32 hal update

Update macro name that changed in latest STM32 HAL update.

Signed-off-by: Guillaume Gautier <guillaume.gautier-ext@st.com>

Author: gautierg-st

drivers/bluetooth/hci/ipm_stm32wb.c

@@ -101,7 +101,7 @@ static void stm32wb_start_ble(uint32_t rf_clock)
 	    CFG_BLE_MAX_ATT_MTU,
 	    CFG_BLE_SLAVE_SCA,
 	    CFG_BLE_MASTER_SCA,
-	    (rf_clock == STM32_SRC_LSE) ? CFG_BLE_LSE_SOURCE : 0,
+	    (rf_clock == STM32_SRC_LSE) ? CFG_BLE_LS_SOURCE : 0,
 	    CFG_BLE_MAX_CONN_EVENT_LENGTH,
 	    CFG_BLE_HSE_STARTUP_TIME,
 	    CFG_BLE_VITERBI_MODE,