2. Used EdkPciIncompatibleDeviceSupportLib in PciBus driver.
3. Redirect all Pci Configuration access to new APIs added in PciLib.c for PciBus driver.
4. Added one PCD PcdIncompatibleDeviceSupportMask in EdkModulePkg.spd to provide mask of PCI devices incompatibility check.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2562 6f19259b-4bc3-4df7-8a09-765794883524