Revert "USB: cdc-acm: fix broken runtime suspend"

This reverts commit 21ffba35838100b5d332a75b418f9de43080d406.

Causing no boot issue with Touchpad
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index 4d8c0d3..1e7eda6 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -127,11 +127,11 @@
 	unsigned int throttled:1;			/* actually throttled */
 	unsigned int throttle_req:1;			/* throttle requested */
 	u8 bInterval;
-	struct usb_anchor delayed;			/* writes queued for a device about to be woken */
 	struct usb_ctrlrequest *irq;			/* MBM, added for get_encapsulated_command */
 	struct urb *response;
 	u8 *inbuf;
 	unsigned int bMaxPacketSize0;
+	struct acm_wb *delayed_wb;			/* write queued for a device about to be woken */
 };
 
 #define CDC_DATA_INTERFACE_TYPE	0x0a