intel/smm/gen1: Rename header file

Change-Id: I258fccc5e1db0bedb641c8af8cb9727954d4d7c1
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34869
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/northbridge/intel/pineview/memmap.c

@@ -25,7 +25,7 @@
 #include <northbridge/intel/pineview/pineview.h>
 #include <cpu/x86/mtrr.h>
 #include <cpu/intel/romstage.h>
-#include <cpu/intel/smm/gen1/smi.h>
+#include <cpu/intel/smm_reloc.h>
 #include <stdint.h>
 #include <stage_cache.h>