pci: Fix files needing export.h for EXPORT_SYMBOL/THIS_MODULE

They were implicitly getting it from device.h --> module.h but
we want to clean that up.  So add the minimal header for these
macros.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

diff --cc drivers/pci/ats.c
Simple merge

diff --cc drivers/pci/hotplug-pci.c
Simple merge

diff --cc drivers/pci/hotplug/pcihp_slot.c
Simple merge

diff --cc drivers/pci/htirq.c
Simple merge

diff --cc drivers/pci/ioapic.c
Simple merge

diff --cc drivers/pci/iov.c
Simple merge

diff --cc drivers/pci/irq.c
Simple merge

diff --cc drivers/pci/msi.c
Simple merge

diff --cc drivers/pci/pci-sysfs.c
Simple merge

diff --cc drivers/pci/quirks.c
Simple merge

diff --cc drivers/pci/rom.c
Simple merge

diff --cc drivers/pci/setup-res.c
Simple merge

diff --cc drivers/pci/vpd.c
Simple merge