usb: renesas_usbhs: send packet in necessary timing.

Current renesas_usbhs driver always tries to send packet in end of recip handler.
But it breaks chapter 9 EndpointHalt test.
This patch fixup this issue.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/renesas_usbhs/mod_gadget.c

@@ -271,6 +271,8 @@ static int usbhsg_recip_handler_std_clear_endpoint(struct usbhs_priv *priv,
 
 	usbhsg_recip_handler_std_control_done(priv, uep, ctrl);
 
+	usbhs_pkt_start(pipe);
+
 	return 0;
 }
 
@@ -424,8 +426,7 @@ static int usbhsg_recip_run_handle(struct usbhs_priv *priv,
 	pipe = usbhsg_uep_to_pipe(uep);
 	if (!pipe) {
 		dev_err(dev, "wrong recip request\n");
-		ret = -EINVAL;
-		goto usbhsg_recip_run_handle_end;
+		return -EINVAL;
 	}
 
 	switch (recip) {
@@ -452,9 +453,6 @@ static int usbhsg_recip_run_handle(struct usbhs_priv *priv,
 		ret = func(priv, uep, ctrl);
 	}
 
-usbhsg_recip_run_handle_end:
-	usbhs_pkt_start(pipe);
-
 	return ret;
 }