[50] Renamed documentation file.

Signed-off-by: bert <bert.timmerman@xs4all.nl>
[50] Added top level schematic.

Signed-off-by: bert <bert.timmerman@xs4all.nl>
[50] Added top level schematic to Makefile.

Signed-off-by: bert <bert.timmerman@xs4all.nl>
[50] Added function block symbol for power supplu unit.

Signed-off-by: bert <bert.timmerman@xs4all.nl>