nb/intel/x4x/iomap.h: Rename to memmap.h

It primarily contains definitions for MMIO windows. Also, remove
includes from files not directly using the definitions it contains.

Tested with BUILD_TIMELESS=1, Asus P5QL PRO remains identical.

Change-Id: Id28080d9b2924463dd3720492d5e717d65fa0071
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45419
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/northbridge/intel/x4x/acpi/x4x.asl b/src/northbridge/intel/x4x/acpi/x4x.asl
index 51deea8..5a3c0b6 100644
--- a/src/northbridge/intel/x4x/acpi/x4x.asl
+++ b/src/northbridge/intel/x4x/acpi/x4x.asl
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include "hostbridge.asl"
-#include "../iomap.h"
+#include "../memmap.h"
 #include <southbridge/intel/common/rcba.h>
 
 /* PCI Device Resource Consumption */