fsl-qoriq: Bug fixes and updates on Layerscape Products Add lx2162 soc, lx2162qds support. Bug-fixes related ls102x-usb, ifc, bootcmd, secure-boot header, rgmii, vid, fdt, env variable, pci for Layerscape products Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>