AMD northbridges: drop dead code

Change-Id: I03949722ac3a127319a0ad3f812d77ba7b8f139f
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/1187
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
1 file changed