Add a board enable for MSI MS-6561 (745 Ultra)

SiS 745 chipset + Winbond W83697HF and Winbond W49F002U flash. Probe, read,
erase and write all work.

Matching on "NB/SB" (they are integrated). Also mark SiS 745 chipset
as tested.

lspci/superiotool:
  http://www.flashrom.org/pipermail/flashrom/2010-September/004705.html

Corresponding to flashrom svn r1158.

Signed-off-by: Mattias Mattsson <vitplister@gmail.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
3 files changed