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/mediatek/common/include/soc/rtc_common.h

@@ -19,7 +19,6 @@
 #include <assert.h>
 #include <bcd.h>
 #include <console/console.h>
-#include <delay.h>
 #include <rtc.h>
 #include <soc/pmic_wrap_common.h>
 

src/soc/mediatek/common/rtc.c

@@ -13,6 +13,7 @@
  * GNU General Public License for more details.
  */
 
+#include <delay.h>
 #include <soc/rtc_common.h>
 #include <soc/rtc.h>
 #include <soc/pmic_wrap.h>

src/soc/mediatek/common/usb.c

@@ -15,7 +15,6 @@
 
 #include <device/mmio.h>
 #include <console/console.h>
-#include <delay.h>
 #include <soc/addressmap.h>
 #include <soc/usb.h>
 #include <timer.h>