x86 pci: remove checking type for mmconfig probe

doesn't need to check if it is type1 or type2, we can use raw_pci_ops
directly.

also make pci_direct_conf1 static again.

anyway is there system with type 2 and mmconf support?

Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>