mraa: Update to v2.2.0

mraa: Update to v2.1.0

Signed-off-by: Mihai Tudor Panu <[email protected]>

mraa: Update to v2.0.0

Signed-off-by: Mihai Tudor Panu <[email protected]>

Version 1.6.1

Version 1.6.0

Version 1.5.1

Version 1.5.0