gpio: qcom_pmic_gpio: add support for pm8550-gpio

Add support for PM8550 GPIO controller variant, keep read-only
until the GPIO and Pinctrl setup is fixed for new PMICs.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
1 file changed