Composite Device Functions

.//drivers/usb/gadget/function/f_acm.c — Document generation inconsistency
.//drivers/usb/gadget/function/f_ecm.c — Document generation inconsistency
.//drivers/usb/gadget/function/f_subset.c — Document generation inconsistency
.//drivers/usb/gadget/function/f_obex.c — Document generation inconsistency
.//drivers/usb/gadget/function/f_serial.c — Document generation inconsistency

At this writing, a few of the current gadget drivers have been converted to this framework. Near-term plans include converting all of them, except for "gadgetfs".