arch/io.h: Fix PCI and PNP simple typedefs

Provide clean separation for PCI and PNP headers,
followup will also move PNP outside <arch/io.h>.

Change-Id: I85db254d50f18ea34a5e95bc517eac4085a5fafa
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/31690
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/include/device/pci_ehci.h b/src/include/device/pci_ehci.h
index 9d18bcc..146946c 100644
--- a/src/include/device/pci_ehci.h
+++ b/src/include/device/pci_ehci.h
@@ -17,8 +17,8 @@
 #ifndef _PCI_EHCI_H_
 #define _PCI_EHCI_H_
 
-#include <arch/io.h>
 #include <device/device.h>
+#include <device/pci_type.h>
 
 #define EHCI_BAR_INDEX		0x10
 #define PCI_EHCI_CLASSCODE	0x0c0320  /* USB2.0 with EHCI controller */
diff --git a/src/include/device/pci_ops.h b/src/include/device/pci_ops.h
index 6971ce4..f1d50d7 100644
--- a/src/include/device/pci_ops.h
+++ b/src/include/device/pci_ops.h
@@ -3,6 +3,7 @@
 
 #include <stdint.h>
 #include <device/device.h>
+#include <device/pci_type.h>
 #include <arch/pci_ops.h>
 
 #ifdef __SIMPLE_DEVICE__
diff --git a/src/include/device/pci_type.h b/src/include/device/pci_type.h
index 0b08e8d..3f72c5f 100644
--- a/src/include/device/pci_type.h
+++ b/src/include/device/pci_type.h
@@ -17,7 +17,6 @@
 #include <stdint.h>
 
 typedef u32 pci_devfn_t;
-typedef u32 pnp_devfn_t;
 
 #define PCI_DEV(SEGBUS, DEV, FN) ( \
 	(((SEGBUS) & 0xFFF) << 20) | \
diff --git a/src/include/reg_script.h b/src/include/reg_script.h
index 28fc82d..7ca457a 100644
--- a/src/include/reg_script.h
+++ b/src/include/reg_script.h
@@ -17,8 +17,8 @@
 #define REG_SCRIPT_H
 
 #include <stdint.h>
-#include <arch/io.h>
 #include <device/device.h>
+#include <device/pci_type.h>
 #include <device/resource.h>
 
 /*