There are more functions and operations which must be used or implemented
in each IEEE 802.15.4 device driver, but are not mentioned in the Device
drivers API section of Documentation/networking/ieee802154.txt.  Therefore,
I want to fulfill the missed part into the documentation with this patch.
Signed-off-by: NJian-Hong Pan <starnight@g.ncu.edu.tw>
Acked-by: NAlexander Aring <aring@mojatatu.com>
Signed-off-by: NStefan Schmidt <stefan@osg.samsung.com>