[PATCH] [POWERPC] Cleanup mpic nodes in .dts

[Segher Boessenkool]

> Removed clock-frequency and big-endian props as they aren't specified
> anywhere.

If you remove "big-endian", you'll have to provide some other way
to get that information (like, some new "compatible" value).

Dunno if we need "clock-frequency".

This patch also removes "built-in" properties.  I'm all for that,
but the patch description didn't say it does.


Segher