gpio: add GPIO support for IT87xx, replacing gpio-it8761e

This patch adds support for the GPIOs found on the ITE super-I/O chips
IT87xx.

Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Christophe Vu-Brugier <cvubrugier@fastmail.fm>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
4 files changed