gpiolib: of: add polarity quirk for Freescale PCIe controller

Bindings for Freescale PCIe controller use a separate property called
"reset-gpio-active-high" to control polarity of its reset line, add it
to the list of quirks in gpiolib so that gpiod API can be used in the
driver.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

drivers/gpio/gpiolib-of.c

@@ -208,6 +208,15 @@ static void of_gpio_set_polarity_by_property(const struct device_node *np,
 		{ "fsl,imx8qm-fec",  "phy-reset-gpios", "phy-reset-active-high" },
 		{ "fsl,s32v234-fec", "phy-reset-gpios", "phy-reset-active-high" },
 #endif
+#if IS_ENABLED(CONFIG_PCI_IMX6)
+		{ "fsl,imx6q-pcie",  "reset-gpio", "reset-gpio-active-high" },
+		{ "fsl,imx6sx-pcie", "reset-gpio", "reset-gpio-active-high" },
+		{ "fsl,imx6qp-pcie", "reset-gpio", "reset-gpio-active-high" },
+		{ "fsl,imx7d-pcie",  "reset-gpio", "reset-gpio-active-high" },
+		{ "fsl,imx8mq-pcie", "reset-gpio", "reset-gpio-active-high" },
+		{ "fsl,imx8mm-pcie", "reset-gpio", "reset-gpio-active-high" },
+		{ "fsl,imx8mp-pcie", "reset-gpio", "reset-gpio-active-high" },
+#endif
 
 		/*
 		 * The regulator GPIO handles are specified such that the