Re-enable the SPD dump routine in this Bitworks/IMS code and make
it work like the Asus/p2b. This avoids having to hack the
sdram/generic_dump_spd.c for a single mem controller.
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2352 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1