powerpc/85xx: add local bus nodes for Flash and CAN to tqm8560.dts

This patch adds local bus nodes for Flash and CAN to the DTS file
of the TQM8560 module (tqm8560.dts).

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>