usb: ch9: define Set SEL and Set Isoch Delay macros

These are new requests introduced by USB 3.0
Specification. Gadget controllers should implement
them.
Signed-off-by: NFelipe Balbi <balbi@ti.com>

include/linux/usb/ch9.h

@@ -88,6 +88,8 @@
 #define USB_REQ_GET_INTERFACE		0x0A
 #define USB_REQ_SET_INTERFACE		0x0B
 #define USB_REQ_SYNCH_FRAME		0x0C
+#define USB_REQ_SET_SEL			0x30
+#define USB_REQ_SET_ISOCH_DELAY		0x31
 
 #define USB_REQ_SET_ENCRYPTION		0x0D	/* Wireless USB */
 #define USB_REQ_GET_ENCRYPTION		0x0E