Add 'generation: define' directive to 'compatible' property. When existing for a type of device, move compatible property description in device base structure (eg: i2c.yaml) Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
Provide yaml bindings for led and gpio keys (buttons). These are based on gpio bindings. Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>