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/soc/intel/quark/include/soc/reg_access.h

@@ -19,7 +19,6 @@
 #include <cpu/x86/cr.h>
 #include <cpu/x86/msr.h>
 #include <cpu/x86/mtrr.h>
-#include <delay.h>
 #include <fsp/util.h>
 #include <reg_script.h>
 #include <soc/IntelQNCConfig.h>