New patches for linux kernel

- driver for OLED standalone
- mcuio adc driver rewritten under iio
- fix bug on magnetomer
- IRQs on pca9555 expansion enabled

Signed-off-by: Aurelio Colosimo <aurelio@aureliocolosimo.it>
new bathos-mcuio.hex

bathos-mcuio commit: 9ce7791
- improved event handling performances
- adc driver rewritten and simplified

Signed-off-by: Aurelio Colosimo <aurelio@aureliocolosimo.it>