mac802154: rename mac802154_sub_if_data

Like wireless this structure should named ieee802154_sub_if_data and not
mac802154_sub_if_data. This patch renames the struct and variables to
sdata instead priv sometimes.

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

diff --cc net/mac802154/ieee802154_i.h
Simple merge

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

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

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

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

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

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