pia35x: ship piA default configs for release and debug

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
pia35x: update pia default config for april release

- add io expanders for piA-IO
- remove unused kernel features like raid, unused device drivers
- don't compile on board devices as module

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>