usb: dwc2: Fix host mode hibernation exit with remote wakeup flow.

Added setting "port_connect_status_change" flag to "1" in order
to re-enumerate, because after exit from hibernation port
connection status is not detected.

Fixes: c5c403dc ("usb: dwc2: Add host/device hibernation functions")
Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com>
Link: https://lore.kernel.org/r/20210416124707.5EEC2A005D@mailhost.synopsys.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/dwc2/hcd.c

@@ -5650,7 +5650,15 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup,
 		return ret;
 	}
 
+	if (rem_wakeup) {
 		dwc2_hcd_rem_wakeup(hsotg);
+		/*
+		 * Change "port_connect_status_change" flag to re-enumerate,
+		 * because after exit from hibernation port connection status
+		 * is not detected.
+		 */
+		hsotg->flags.b.port_connect_status_change = 1;
+	}
 
 	hsotg->hibernated = 0;
 	hsotg->bus_suspended = 0;