src: Use #include <timer.h> when appropriate

Also, extra-lines added or removed and local includes moved down.

Change-Id: I5e739233f3742fd68d537f671642bb04886e3009
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32009
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/icelake/reset.c

@@ -20,7 +20,6 @@
 #include <fsp/util.h>
 #include <soc/intel/common/reset.h>
 #include <string.h>
-#include <timer.h>
 #include <soc/pci_devs.h>
 
 /* Reset Request  */