changelog

ddr and sdram memory check,ddr and sdram memory check

- Added on-fly timings change on some chipsets
   (Thanks to Eric and Wee for this part)
- Added i852/855 on-fly timing change
- Added support for VIA K8T890
- Added a "Fast" Mode (with MTRR & L1/L2 Caches)
- Correct a bug (Disable MTRR for stronger test)
- Some bug fixes