Fix the M57SLI routing table, as apparently set up from LinuxBIOS on

Fix the M57SLI routing table, as apparently set up from LinuxBIOS on
that board. Shift PCIe pin numbers downwards, and PCI int pins upwards.
This puts both PCI slots' int A and PCIe 16x int A into the right
position.

Signed-off-by: Torsten Duwe <duwe@lst.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2946 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1