chore: rename CFG_BLE_LSE_SOURCE to CFG_BLE_LS_SOURCE

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

src/utility/HCISharedMemTransport.cpp

@@ -644,7 +644,7 @@ int HCISharedMemTransportClass::stm32wb_start_ble(void)
     CFG_BLE_MAX_ATT_MTU,
     CFG_BLE_SLAVE_SCA,
     CFG_BLE_MASTER_SCA,
-    CFG_BLE_LSE_SOURCE,
+    CFG_BLE_LS_SOURCE,
     CFG_BLE_MAX_CONN_EVENT_LENGTH,
     CFG_BLE_HSE_STARTUP_TIME,
     CFG_BLE_VITERBI_MODE,