staging: r8188eu: Add files for new driver - part 23

This commit adds files include/ieee80211.h, include/ieee80211_ext.h,
include/if_ether.h, include/ioctl_cfg80211.h, include/ip.h,
include/mlme_osdep.h, include/mp_custom_oid.h, and include/nic_spec.h.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>