mb/emulation/qemu-q35: Rename header

The emulated northbridge is Q35. GM35 does not exist.

Tested, still boots.

Change-Id: Id8e114a43b54b71087d09d143176ed94329ab7af
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50023
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/mainboard/emulation/qemu-q35/bootblock.c

@@ -6,7 +6,7 @@
 #include <southbridge/intel/i82801ix/i82801ix.h>
 #include <console/console.h>
 
-#include "gm35.h"
+#include "q35.h"
 
 static void bootblock_northbridge_init(void)
 {

src/mainboard/emulation/qemu-q35/q35.h

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#ifndef __MAINBOARD_EMU_GM35_H__
-#define __MAINBOARD_EMU_GM35_H__
+#ifndef __MAINBOARD_EMU_Q35_H__
+#define __MAINBOARD_EMU_Q35_H__
 
 #define D0F0_PCIEXBAR_LO 0x60
 #define D0F0_PCIEXBAR_HI 0x64

src/mainboard/emulation/qemu-q35/romstage.c

@@ -6,7 +6,7 @@
 #include <southbridge/intel/i82801ix/i82801ix.h>
 #include <device/pci_ops.h>
 
-#include "gm35.h"
+#include "q35.h"
 
 static void mainboard_machine_check(void)
 {