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>
diff --git a/src/mainboard/emulation/qemu-q35/romstage.c b/src/mainboard/emulation/qemu-q35/romstage.c
index 92b6113..465edc8 100644
--- a/src/mainboard/emulation/qemu-q35/romstage.c
+++ b/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)
 {