gpio: mockup: change the type of value field in line state struct

GPIO values are universally represented as integers. Change the type
of the variable storing the current line value to int for consistency.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
1 file changed