usb: gadget: function: uvc: return correct alt-setting
usb: gadget: function: uvc: return correct alt-setting

If our alternate setting has been selected, we must
return that on a subsequent Get Interface request
even if we're not streaming.

Signed-off-by: Felipe Balbi <94dddeeef08b001e003cce128ddc162a4e2c6cd2@ti.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs