PCI: Drop includes under cpu

The files affected do not make any PCI configuration calls.
If they did, the more correct includes would be pci_ops.h,
pci_defs.h and pci_ids.h.

Change-Id: I3e7f009371be6ea50318eaabf0c15500cb3f1210
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5200
Reviewed-by: Aaron Durbin <adurbin@google.com>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)

src/cpu/intel/haswell/haswell_init.c

@@ -22,7 +22,6 @@
 
 #include <console/console.h>
 #include <device/device.h>
-#include <device/pci.h>
 #include <string.h>
 #include <arch/acpi.h>
 #include <cpu/cpu.h>