soc/intel/apollolake/meminit.c: Remove unuseful comment

Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Change-Id: Ia81b4397c92f100abad9b1e974bbebfe49008439
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65700
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/soc/intel/apollolake/meminit.c

@@ -3,7 +3,7 @@
 #include <fsp/util.h>
 #include <memory_info.h>
 #include <soc/meminit.h>
-#include <stddef.h> /* required for FspmUpd.h */
+#include <stddef.h>
 #include <fsp/soc_binding.h>
 #include <string.h>