src/mainboard: Remove unused include <arch/byteorder.h>

Change-Id: I3d638febddbd88cd4870795f96dd1bbf123c7ba3
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33537
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/eve/spd/spd.c

@@ -14,7 +14,6 @@
  * GNU General Public License for more details.
  */
 
-#include <arch/byteorder.h>
 #include <cbfs.h>
 #include <console/console.h>
 #include <gpio.h>