[EMULATORS] PCI Bus emulation layer

This patch set adds a simple PCI bus emulation layer.

Signed-off-by: Himanshu Chauhan <hschauhan@nulltrace.org>
[EMULATORS] PCI Shared memory device emulator

This patch set adds a PCI shared memory device emulator.
Its kind of framework now but more code will be added to it.

Signed-off-by: Himanshu Chauhan <hschauhan@nulltrace.org>
[x86] i440fx PMC controller emulation.

Signed-off-by: Himanshu Chauhan <hschauhan@nulltrace.org>
[EMULATORS] pci: Reshuffle the ipriorities

Signed-off-by: Himanshu Chauhan <hschauhan@nulltrace.org>