arm64: defconfig: Enable CONFIG_PINCTRL_IMX8DXL by default

Enable CONFIG_PINCTRL_IMX8DXL by default to support i.MX8DXL
pinctrl driver.
Signed-off-by: NAnson Huang <Anson.Huang@nxp.com>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>

arch/arm64/configs/defconfig

@@ -450,6 +450,7 @@ CONFIG_PINCTRL_IMX8MN=y
 CONFIG_PINCTRL_IMX8MP=y
 CONFIG_PINCTRL_IMX8MQ=y
 CONFIG_PINCTRL_IMX8QXP=y
+CONFIG_PINCTRL_IMX8DXL=y
 CONFIG_PINCTRL_IPQ8074=y
 CONFIG_PINCTRL_IPQ6018=y
 CONFIG_PINCTRL_MSM8916=y