This patch adds support for the Mosaix Technologies, Inc. ICON board,
based on the AppliedMicro (AMCC) PPC440SPe. It's equipped with an SODIMM
(512MB standard) and 64MByte of NOR FLASH.
Support for the onboard SM502 will be added later.
Signed-off-by: Stefan Roese <sr@denx.de>