usb: gadget: audio: remove c->highpseed = true from f_midi and uac1

Whether highspeed configuration is valid or not is something that
composite decides and not the gadget. That gadget can only provide the
required descriptors for it.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/f_midi.c

@@ -882,7 +882,6 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f)
 	 */
 	/* copy descriptors, and track endpoint copies */
 	if (gadget_is_dualspeed(c->cdev->gadget)) {
-		c->highspeed = true;
 		bulk_in_desc.wMaxPacketSize = cpu_to_le16(512);
 		bulk_out_desc.wMaxPacketSize = cpu_to_le16(512);
 		f->hs_descriptors = usb_copy_descriptors(midi_function);

drivers/usb/gadget/f_uac1.c

@@ -667,7 +667,6 @@ f_audio_bind(struct usb_configuration *c, struct usb_function *f)
 	 * both speeds
 	 */
 	if (gadget_is_dualspeed(c->cdev->gadget)) {
-		c->highspeed = true;
 		f->hs_descriptors = usb_copy_descriptors(f_audio_desc);
 	}