Fix markdown formatting in README.md

No changes except adding a new line break to prevent the end of the file from being formatted as code.

README.md

@@ -77,9 +77,11 @@ CONFIG_PLATFORM_ARM_RPI = y
 ```
 
 4. Check that your kernel has loaded the right module:
+ 
     ```shell
         $ lshw -c network
     ```
+   
 You should see the line ```driver=8192eu```
     
 If you wish to uninstall the driver at a later point, use