powerpc/85xx: Fix MPC8536DS 36-bit device tree

The localbus node should be in at 0xfffe05000 not 0xffe05000.  Also
fixed the names of the localbus and pci nodes to reflect the addresses
they are actually at.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>