gpio: qcom_pmic: add pm6125

As with some other modern PMICs, writing to the GPIOs seems to make the
device reset.

Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/drivers/gpio/qcom_pmic_gpio.c b/drivers/gpio/qcom_pmic_gpio.c
index dfb70fa..362d98d 100644
--- a/drivers/gpio/qcom_pmic_gpio.c
+++ b/drivers/gpio/qcom_pmic_gpio.c
@@ -364,6 +364,7 @@
 	{ .compatible = "qcom,pm8994-gpio" },	/* 22 GPIO's */
 	{ .compatible = "qcom,pm8998-gpio", .data = QCOM_PMIC_QUIRK_READONLY },
 	{ .compatible = "qcom,pms405-gpio" },
+	{ .compatible = "qcom,pm6125-gpio", .data = QCOM_PMIC_QUIRK_READONLY },
 	{ .compatible = "qcom,pm8550-gpio", .data = QCOM_PMIC_QUIRK_READONLY },
 	{ }
 };