net fixed format

bsp/raspberry-pi/raspi4-32/driver/drv_eth.c

@@ -572,9 +572,9 @@ static rt_err_t bcmgenet_eth_init(rt_device_t device)
             major = 4;
         }
         else if (major == 0)
-	{
+        {
             major = 1;
-	}
+        }
         rt_kprintf("Uns upported GENETv%d.%d\n", major, (hw_reg >> 16) & 0x0f);
         return RT_ERROR;
     }
@@ -615,7 +615,7 @@ static rt_err_t bcmgenet_eth_control(rt_device_t dev, int cmd, void *args)
         else
         {
             return -RT_ERROR;
-	}
+        }
         break;
     default:
         break;