修复开启RT_USING_DEVICE_OPS时ecm.c报错

components/drivers/usb/usbdevice/class/ecm.c

@@ -644,12 +644,16 @@ ufunction_t rt_usbd_function_ecm_create(udevice_t device)
     _ecm_eth->host_addr[4] = 0xEC;//*(const rt_uint8_t *)(0x1fff7a14);
     _ecm_eth->host_addr[5] = 0xAB;//*(const rt_uint8_t *)(0x1fff7a18);
 
+#ifdef RT_USING_DEVICE_OPS
+    _ecm_eth->parent.parent.ops = &ecm_device_ops;
+#else
     _ecm_eth->parent.parent.init       = rt_ecm_eth_init;
     _ecm_eth->parent.parent.open       = rt_ecm_eth_open;
     _ecm_eth->parent.parent.close      = rt_ecm_eth_close;
     _ecm_eth->parent.parent.read       = rt_ecm_eth_read;
     _ecm_eth->parent.parent.write      = rt_ecm_eth_write;
     _ecm_eth->parent.parent.control    = rt_ecm_eth_control;
+#endif
     _ecm_eth->parent.parent.user_data  = device;
 
     _ecm_eth->parent.eth_rx     = rt_ecm_eth_rx;