AGESA f14 f15tn 16kb: Move IOAPIC ID setup out of get_bus_conf()

Change-Id: I7fd14c17242cd3deb7a784fc918ad6fe1191bd13
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/6359
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
AGESA boards: Drop get_bus_conf.c files

The only remaining purpose for get_bus_conf() was to fill in obscure
bus_sb800 (etc.) arrays containing partial PCI bus enumeration. Complete
enumeration is available in devicetree and PCI configuration space so
discard these arrays.

Change-Id: I733115940afba3a50c58aedb9a04ecf5082b1234
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/6360
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>