mac802154: remove driver ops in wpan-phy

This patch removes the driver ops callbacks inside of wpan_phy struct.
It was used to check if a phy supports this driver ops call. We do this
now via hardware flags.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --cc include/net/cfg802154.h
Simple merge

diff --cc net/ieee802154/nl-mac.c
Simple merge

diff --cc net/mac802154/iface.c
Simple merge

diff --cc net/mac802154/main.c
Simple merge