More trace endian fixes so make check works again

We need the core to do proper endian among others since that
code is compiled in run-trace

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Merge remote-tracking branch 'ltcgit/master'
Enable warn_unused_result for fsp_queue_msg()

We now get a bunch of warnings of places where we should go and fix
the code, yay!

(acked in discussing thread on list)

Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Acked-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Acked-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>