One more PCI ID for the i2c-nforce2 driver, this time for the nForce3
250Gb variant. Tested, works.

(Also cleans up a duplicate define in pci_ids.h.)
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>