gpio: pca953x: Fix gpio_base may not default to -1

If no device tree node existed for a device when CONFIG_OF_GPIO was
defined, then gpio_base would not default to -1.

Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
1 file changed