add_kernel_command_line
Description:
Adds a new kernel command line argument to the setting.
Parameters:
| this | 
           the SettingMatch  | 
      
| kernel_command_line | 
           the kernel command line argument to add  | 
      
Adds a new kernel command line argument to the setting.
| this | 
           the SettingMatch  | 
      
| kernel_command_line | 
           the kernel command line argument to add  |