[U-Boot] Please update libfdt for U-Boot

[Tabi Timur-B04825]

Jerry,

Now that the merge window is open, could you please update libfdt?
The version in U-Boot hasn't been updated in over a year, and there
are new features that I need to have.  Specifically, this commit:
http://git.jdl.com/gitweb/?p=dtc.git;a=commit;h=d75b33af676d0beac8398651a7f09037555a550b

-- 
Timur Tabi
Linux kernel developer at Freescale