code cleanup

bsp/stm32/stm32f103-hw100k-ibox/board/ports/w5500_device.c

@@ -15,6 +15,5 @@ int w5500_spi_device_init()
 {
     __HAL_RCC_GPIOB_CLK_ENABLE();
     return rt_hw_spi_device_attach("spi2","spi20",GPIOB,GPIO_PIN_12);
-	
 }
 INIT_DEVICE_EXPORT(w5500_spi_device_init);