src: Use include <delay.h> when appropriate

Change-Id: I23bc0191ca8fcd88364e5c08be7c90195019e399
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32012
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-by: David Guckian

src/security/vboot/vboot_logic.c

@@ -18,7 +18,6 @@
 #include <bootmode.h>
 #include <console/console.h>
 #include <console/vtxprintf.h>
-#include <delay.h>
 #include <string.h>
 #include <timestamp.h>
 #include <vb2_api.h>