USB: Move endpoint sync type definitions from usb/audio.h to usb/ch9.h

And use the new definitions in the USB Audio Class gadget driver.

Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/f_audio.c b/drivers/usb/gadget/f_audio.c
index 66527ba..76afbd1 100644
--- a/drivers/usb/gadget/f_audio.c
+++ b/drivers/usb/gadget/f_audio.c
@@ -174,7 +174,7 @@
 	.bLength =		USB_DT_ENDPOINT_AUDIO_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 	.bEndpointAddress =	USB_DIR_OUT,
-	.bmAttributes =		USB_AS_ENDPOINT_ADAPTIVE
+	.bmAttributes =		USB_ENDPOINT_SYNC_ADAPTIVE
 				| USB_ENDPOINT_XFER_ISOC,
 	.wMaxPacketSize =	__constant_cpu_to_le16(OUT_EP_MAX_PACKET_SIZE),
 	.bInterval =		4,