arm64: defconfig: Enable QorIQ IFC NAND controller driver

Enables NXP/FSL QorIQ IFC flash controller driver for NAND.  Enabled as
built-in to load RFS from nand flash without initramfs.

Remove CONFIG_MEMORY as it is selected by CONFIG_MTD_NAND_FSL_IFC.
Signed-off-by: NLi Yang <leoyang.li@nxp.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>

arch/arm64/configs/defconfig

@@ -218,6 +218,7 @@ CONFIG_MTD_BLOCK=y
 CONFIG_MTD_RAW_NAND=y
 CONFIG_MTD_NAND_DENALI_DT=y
 CONFIG_MTD_NAND_MARVELL=y
+CONFIG_MTD_NAND_FSL_IFC=y
 CONFIG_MTD_NAND_QCOM=y
 CONFIG_MTD_SPI_NOR=y
 CONFIG_SPI_CADENCE_QUADSPI=y
@@ -805,7 +806,6 @@ CONFIG_ARCH_K3_J721E_SOC=y
 CONFIG_TI_SCI_PM_DOMAINS=y
 CONFIG_EXTCON_USB_GPIO=y
 CONFIG_EXTCON_USBC_CROS_EC=y
-CONFIG_MEMORY=y
 CONFIG_IIO=y
 CONFIG_EXYNOS_ADC=y
 CONFIG_QCOM_SPMI_ADC5=m