LS1088AQDS consist of NOR, NAND and FPGA connected over IFC
LS1088ARDB consist of NAND and FPGA connected over IFC.

So add flash information in ifc node of device tree.
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>