Make some PCI macros available to other files. NFC.

Move PCI_DEVFN(), PCI_BUS(), PCI_SLOT(), and PCI_FUNC() to pci.h.

Signed-off-by: Jason Thorpe <thorpej@me.com>
Message-Id: <20210603035317.6814-5-thorpej@me.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2 files changed