[PCI]: Add PCI IRQ Routing Table structure to Shared, Internal PCI Header (based off the Microsoft Spec and the Apple SMBIOS Header).
[PCI]: Remove HAL-internal PCI definitions from the existing "Shared/Internal" PCI Header which existed in NTOS's private include directory, and move them to HAL-internal headers.
[PCI]: Remove remaining shared PCI definitions from that same header, and put them in the new Shared/Internal PCI Header.
[PCI]: Remove duplicated PCI definitions from FreeLDR, and use thw new Shared/Internal PCI Header.
svn path=/trunk/; revision=47886