new linux patch: fix permissions for module_params in shields drivers

Signed-off-by: Aurelio Colosimo <aurelio@aureliocolosimo.it>
patch for linux kernel: set D4 as default reset pin for chip mma8491

Signed-off-by: Aurelio Colosimo <aurelio@aureliocolosimo.it>
new patches for linux kernel and new bathos-mcuio.hex:

- fix tty console freezes
- mma8491 rst pin set to IO.0 of pca9555 expansion
- i2c clock frequency increased to ~100KHz
- some minor bugs fixed

Signed-off-by: Aurelio Colosimo <aurelio@aureliocolosimo.it>
new linux driver for dog oled shield

Signed-off-by: Aurelio Colosimo <aurelio@aureliocolosimo.it>
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>
linux kernel: remove some duplicated patch

Signed-off-by: Aurelio Colosimo <aurelio@aureliocolosimo.it>
linux patches to fix kernel oops at spi-tty close (e.g. reboot or killall ash)

Signed-off-by: Aurelio Colosimo <aurelio@aureliocolosimo.it>
linux CONFIG_SPI_TTY_PLAIN=m: compile spi-tty-plain driver as a module

This is needed in order to permit run-avrdude rmmod spi-tty-plain driver.

Signed-off-by: Aurelio Colosimo <aurelio@aureliocolosimo.it>
bathos-mcuio.hex: removed 'data_ready_handle to' log message

bathos-mcuio commit f9577603c
This log message is useful for debug only, so it must not be compiled in the
linino_distro.

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