src: Remove unneeded include <cbmem.h>

Change-Id: I89e03b6def5c78415bf73baba55941953a70d8de
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/29302
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/northbridge/intel/x4x/acpi.c

@@ -23,7 +23,6 @@
 #include <device/device.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>
-#include <cbmem.h>
 #include "x4x.h"
 
 unsigned long acpi_fill_mcfg(unsigned long current)

src/northbridge/intel/x4x/early_init.c

@@ -24,7 +24,6 @@
 #endif
 #include <pc80/mc146818rtc.h>
 #include "x4x.h"
-#include <cbmem.h>
 #include <console/console.h>
 #include <halt.h>
 #include <romstage_handoff.h>