usb: dwc3: add has_hibernation flag

this will tell driver that this version
of the core was configured with hibernation
feature enabled.
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/dwc3/core.h

@@ -636,6 +636,7 @@ struct dwc3_scratchpad_array {
  * @delayed_status: true when gadget driver asks for delayed status
  * @ep0_bounced: true when we used bounce buffer
  * @ep0_expect_in: true when we expect a DATA IN transfer
+ * @has_hibernation: true when dwc3 was configured with Hibernation
  * @is_selfpowered: true when we are selfpowered
  * @needs_fifo_resize: not all users might want fifo resizing, flag it
  * @pullups_connected: true when Run/Stop bit is set
@@ -729,6 +730,7 @@ struct dwc3 {
 	unsigned		delayed_status:1;
 	unsigned		ep0_bounced:1;
 	unsigned		ep0_expect_in:1;
+	unsigned		has_hibernation:1;
 	unsigned		is_selfpowered:1;
 	unsigned		needs_fifo_resize:1;
 	unsigned		pullups_connected:1;