device/pci: Fix PCI accessor headers

PCI config accessors are no longer indirectly included
from <arch/io.h> use <device/pci_ops.h> instead.

Change-Id: I2adf46430a33bc52ef69d1bf7dca4655fc8475bd
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/31675
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/arch/x86/include/arch/io.h

@@ -203,10 +203,6 @@ static __always_inline void write64(volatile void *addr,
 }
 #endif
 
-/* FIXME: We should avoid this indirect include. Also this has to
- * appear here after all MMIO and IO read/write functions. */
-#include <arch/pci_ops.h>
-
 #ifdef __SIMPLE_DEVICE__
 
 #define PNP_DEV(PORT, FUNC) (((PORT) << 8) | (FUNC))