src: Use '#include <smp/node.h>' when appropriate

Change-Id: Icdd6b49751763ef0edd4c57e855cc1d042dc6d4d
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36373
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/soc/intel/skylake/smmrelocate.c

@@ -28,6 +28,7 @@
 #include <cpu/intel/em64t101_save_state.h>
 #include <cpu/intel/smm_reloc.h>
 #include <console/console.h>
+#include <smp/node.h>
 #include <soc/cpu.h>
 #include <soc/msr.h>
 #include <soc/pci_devs.h>