arm64: defconfig: enable drivers for booting i.MX8ULP

Select i.MX8ULP CLK and PINCTRL driver to make it boot.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/configs/defconfig

@@ -506,6 +506,7 @@ CONFIG_PINCTRL_IMX8MQ=y
 CONFIG_PINCTRL_IMX8QM=y
 CONFIG_PINCTRL_IMX8QXP=y
 CONFIG_PINCTRL_IMX8DXL=y
+CONFIG_PINCTRL_IMX8ULP=y
 CONFIG_PINCTRL_MSM=y
 CONFIG_PINCTRL_IPQ8074=y
 CONFIG_PINCTRL_IPQ6018=y
@@ -986,6 +987,7 @@ CONFIG_CLK_IMX8MN=y
 CONFIG_CLK_IMX8MP=y
 CONFIG_CLK_IMX8MQ=y
 CONFIG_CLK_IMX8QXP=y
+CONFIG_CLK_IMX8ULP=y
 CONFIG_TI_SCI_CLK=y
 CONFIG_COMMON_CLK_QCOM=y
 CONFIG_QCOM_A53PLL=y