usb: dwc3: add definitions for new registers

This patch adds definitions for some new registers that have been
added to later versions of the controller, up to v2.10a.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h
index 95ef6a2..39ced0b 100644
--- a/drivers/usb/dwc3/gadget.h
+++ b/drivers/usb/dwc3/gadget.h
@@ -66,7 +66,12 @@
 #define DWC3_DEPCFG_FIFO_NUMBER(n)	((n) << 17)
 #define DWC3_DEPCFG_BURST_SIZE(n)	((n) << 22)
 #define DWC3_DEPCFG_DATA_SEQ_NUM(n)	((n) << 26)
+/* This applies for core versions earlier than 1.94a */
 #define DWC3_DEPCFG_IGN_SEQ_NUM		(1 << 31)
+/* These apply for core versions 1.94a and later */
+#define DWC3_DEPCFG_ACTION_INIT		(0 << 30)
+#define DWC3_DEPCFG_ACTION_RESTORE	(1 << 30)
+#define DWC3_DEPCFG_ACTION_MODIFY	(2 << 30)
 
 /* DEPXFERCFG parameter 0 */
 #define DWC3_DEPXFERCFG_NUM_XFER_RES(n)	((n) & 0xffff)