powerpc/ppc4xx: Adapt gdsys 405ep boards to platform changes

Print fpga info at last_stage_init on gdsys 405ep boards.
Use dtt_init() to startup fans.

Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Cc: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
5 files changed