Adjust to microrl typo fixes.
Merge pull request #4 from biot/fixes

Adjust to microrl typo fixes.
Update to latest chibios and microrl submodule
Added HYDRANFC support as optional in Makefile (if not defined HydraNFC support is not included)
Cleanup chibios submodule
Update with latest chibios submodule
Rebase submodule chibios & microrl to latest respective trunk
Refactored sd_rperfo.

A bit nicer to look at, and less code.