Convert gpio drivers to use new DT variants of the DEVICE APIs. DEVICE_AND_API_INIT -> DEVICE_DT_DEFINE DEVICE_GET -> DEVICE_DT_GET DEVICE_DECLARE -> DEVICE_DT_INST_DECLARE etc.. Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Add initial version of SAM4L GPIO driver. Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>