ShellPkg: Fix ARM build errors.

submitted-by: Olivier Martin olivier.martin@arm.com>
reviewed-by: Jaben Carsey <Jaben.Carsey@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14400 6f19259b-4bc3-4df7-8a09-765794883524

ShellPkg/Library/UefiShellDriver1CommandsLib/DrvCfg.c

@@ -514,7 +514,6 @@ ShellCmdDriverConfigurationProcessActionRequired (
 
   default:
     return (EFI_INVALID_PARAMETER);
-    break;
   }
 
   return EFI_SUCCESS;