board/ls2085a: Add support of NOR and NAND flash for simulator

Add support of NOR and NAND flash for simulator target.
Here
  IFC - CS0: NOR flash
  IFC - CS1: NAND flash

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>