powerpc: Make ftrace endian-safe.
powerpc: Make ftrace endian-safe.

Signed-off-by: Eugene Surovegin <e5ea0335ab49d8db796cbb6164327e84f6370945@google.com>
Signed-off-by: Benjamin Herrenschmidt <a7089bb6e7e92505d88aaff006cbdd60cc9120b6@kernel.crashing.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs