ARM: configs: multi_v7: enable PL35x NAND controller

After years, linux finally got a driver for the PL35x NAND controller
found on the Xilinx Zynq-7000 SoC for example. Enable support for this
driver.
Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20210616155437.27378-2-michael@walle.ccSigned-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm/configs/multi_v7_defconfig

@@ -215,6 +215,7 @@ CONFIG_MTD_NAND_GPMI_NAND=y
 CONFIG_MTD_NAND_VF610_NFC=y
 CONFIG_MTD_NAND_DAVINCI=y
 CONFIG_MTD_NAND_STM32_FMC2=y
+CONFIG_MTD_NAND_PL35X=y
 CONFIG_MTD_SPI_NOR=y
 CONFIG_SPI_ASPEED_SMC=m
 CONFIG_MTD_UBI=y