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
diff --git a/src/southbridge/amd/pi/hudson/hda.c b/src/southbridge/amd/pi/hudson/hda.c
index d5c92b4..9cdc1b4 100644
--- a/src/southbridge/amd/pi/hudson/hda.c
+++ b/src/southbridge/amd/pi/hudson/hda.c
@@ -17,7 +17,7 @@
 #include <device/pci.h>
 #include <device/pci_ids.h>
 #include <device/pci_ops.h>
-#include <delay.h>
+
 #include "hudson.h"
 
 static const unsigned short pci_device_ids[] = {