device/pci_ops: Move common pci_mmio_cfg.h

It is expected that method of accessing PCI configuration
register space via memory-mapped region is arch-agnostic.

Change-Id: Ide6baa00d611953aeb324be0d3561f464395c5eb
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/31305
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

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

@@ -208,7 +208,7 @@ static __always_inline void write64(volatile void *addr,
 #define PNP_DEV(PORT, FUNC) (((PORT) << 8) | (FUNC))
 
 #include <arch/pci_io_cfg.h>
-#include <arch/pci_mmio_cfg.h>
+#include <device/pci_mmio_cfg.h>
 
 static __always_inline
 uint8_t pci_read_config8(pci_devfn_t dev, unsigned int where)

src/include/device/pci_mmio_cfg.h

@@ -16,7 +16,9 @@
 #ifndef _PCI_MMIO_CFG_H
 #define _PCI_MMIO_CFG_H
 
+#include <stdint.h>
 #include <arch/io.h>
+#include <device/pci_type.h>
 
 #define DEFAULT_PCIEXBAR	CONFIG_MMCONF_BASE_ADDRESS