Update the FdtLib so that new APIs provided by FdtLib like
fdt_address_cells, fdt_size_cells etc. can be used.
Reference code:
https://git.kernel.org/pub/scm/utils/dtc/dtc.git/tree/libfdt?h=v1.4.5
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Pankaj Bansal <pankaj.bansal@nxp.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>