Move *_Control types of API objects to separate header file

[Chris Johns]

On 08/11/2018 00:14, Sebastian Huber wrote:
> 
> the <rtems.h> header file still exposes a lot of implementation details via the
> definition of the *_Control structures of the API objects. They are only
> necessary for the application configuration. I would like to move them to
> separate header files. Currently we have:
> 
> <rtems/rtems/XYZ.h>
> <rtems/rtems/XYZimpl.h>
> 
> I need a new name for this header file. For example:
> 
> <rtems/rtems/XYZdata.h>
> 
> An example patch is attached. Comments?
> 
>  cpukit/include/rtems/confdefs.h          |   1 +
>  cpukit/include/rtems/rtems/ratemon.h     | 111 +---------------------------
>  cpukit/include/rtems/rtems/ratemondata.h | 123 +++++++++++++++++++++++++++++++

This is the ratemon "control struct" so does `ratemonctrl.h` work?

Which ever way you go please make sure it will work for all the cases you wish
to change, for example these do not work `foodatadata.h`, or `fooctrlctrl.h`.

Chris