common: Drop linux/delay.h from common header

Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/usb/dwc3/ti_usb_phy.c b/drivers/usb/dwc3/ti_usb_phy.c
index 6b0166a..ade3a7f 100644
--- a/drivers/usb/dwc3/ti_usb_phy.c
+++ b/drivers/usb/dwc3/ti_usb_phy.c
@@ -21,6 +21,7 @@
 #include <ti-usb-phy-uboot.h>
 #include <dm/device_compat.h>
 #include <dm/devres.h>
+#include <linux/delay.h>
 #include <linux/ioport.h>
 #include <asm/io.h>
 #include <asm/arch/sys_proto.h>