cpu/x86: Clean up includes

Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Change-Id: I01c6651079333686cb0eb68e89e56d7907868124
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68204
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>

src/cpu/x86/lapic/boot_cpu.c

@@ -1,8 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <smp/node.h>
-#include <cpu/x86/msr.h>
 #include <cpu/x86/lapic_def.h>
+#include <cpu/x86/msr.h>
+#include <smp/node.h>
 
 #if CONFIG(SMP)
 int boot_cpu(void)