[PATCH] Remove usb gadget generic driver methods

USB gadget drivers make no use of these, remove the pointless
comments.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc drivers/usb/gadget/ether.c
Simple merge

diff --cc drivers/usb/gadget/inode.c
Simple merge

diff --cc drivers/usb/gadget/serial.c
Simple merge

diff --cc drivers/usb/gadget/zero.c
Simple merge