!991 删除外设驱动开发示例中多余空格

Merge pull request !991 from yaoyueyu/master

zh-cn/device-dev/guide/device-outerdriver-demo.md

@@ -342,18 +342,18 @@ Input模型由三层驱动组成，开发者适配一款全新触摸屏驱动只
 如下所示为开机启动日志部分截取
 
 ```
-[I/HDF_INPUT_DRV] HdfInputManagerInit: enter                            // 管理驱动层初始化                    
-[I/HDF_INPUT_DRV] HdfInputManagerInit: exit succ                        // 初始化成功                    
-[I/osal_cdev] add cdev hdf_input_host success                                                                                                                   
-[I/HDF_LOG_TAG] HdfTouchDriverProbe: enter                              // 公共驱动层初始化                    
-[I/HDF_LOG_TAG] HdfTouchDriverProbe: main_touch exit succ               // 初始化成功                     
-[I/osal_cdev] add cdev hdf_input_event1 success                                                                                                                 
-[I/HDF_INPUT_DRV] HdfGoodixChipInit: enter                              // 器件驱动层初始化                                        
-[I/HDF_INPUT_DRV] ChipDetect: IC FW version is 0x1060                           
-[I/HDF_INPUT_DRV] Product_ID: 911_1060, x_sol = 960, y_sol = 480                
-[I/HDF_LOG_TAG] ChipDriverInit: chipDetect succ, ret = 0                                                        
-[I/HDF_LOG_TAG] InputDeviceInstance: inputDev->devName = main_touch                      
-[I/HDF_INPUT_DRV] HdfGoodixChipInit: exit succ, chipName = gt911        // 初始化成功 
+[I/HDF_INPUT_DRV] HdfInputManagerInit: enter                            // 管理驱动层初始化
+[I/HDF_INPUT_DRV] HdfInputManagerInit: exit succ                        // 初始化成功
+[I/osal_cdev] add cdev hdf_input_host success
+[I/HDF_LOG_TAG] HdfTouchDriverProbe: enter                              // 公共驱动层初始化
+[I/HDF_LOG_TAG] HdfTouchDriverProbe: main_touch exit succ               // 初始化成功
+[I/osal_cdev] add cdev hdf_input_event1 success
+[I/HDF_INPUT_DRV] HdfGoodixChipInit: enter                              // 器件驱动层初始化
+[I/HDF_INPUT_DRV] ChipDetect: IC FW version is 0x1060
+[I/HDF_INPUT_DRV] Product_ID: 911_1060, x_sol = 960, y_sol = 480
+[I/HDF_LOG_TAG] ChipDriverInit: chipDetect succ, ret = 0
+[I/HDF_LOG_TAG] InputDeviceInstance: inputDev->devName = main_touch
+[I/HDF_INPUT_DRV] HdfGoodixChipInit: exit succ, chipName = gt911        // 初始化成功
 ```
 
 ## Input模型工作流程解析<a name="section1578569154917"></a>