fsl-qoriq: Bug fixes & updates for layerscape platforms

Bug fixes and updates on ls2088a,ls1028a, ls1046a, ls1043a, ls1012a
lx2-watchdog support
layerscape:pci-endpoint support, spin table relocation fixes and
cleanups
fsl-crypto: RNG support and bug fixes

Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>