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.cc


Signed-off-by: Michal Simek <michal.simek@xilinx.com>