PNP: quirks: Fix duplicate included pci.h

linux/pci.h is included more than once.

Remove the one that isn't necessary.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>