xpedite1k: Add support for optional flashes

The XPedite1000 can be built with 4 total flashes:
- 512KB AMD socketed
- 16MB Intel soldered
- 2 x 32MB AMD MirrorBit flashes

Add support for the optional 2 32MB CFI-compliant AMD flashes

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Stefan Roese <sr@denx.de>
2 files changed