staging: rtl8723au: Simplify retrieving the ether_type in portctrl()

This renders the last element in include/ethernet.h unnecessary, so
remove it as well.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/rtl8723au/core/rtw_mlme_ext.c
Simple merge

diff --cc drivers/staging/rtl8723au/core/rtw_recv.c
Simple merge

diff --cc drivers/staging/rtl8723au/hal/rtl8723au_recv.c
Simple merge

diff --cc drivers/staging/rtl8723au/include/ethernet.h
Simple merge

diff --cc drivers/staging/rtl8723au/os_dep/os_intfs.c
Simple merge

diff --cc drivers/staging/rtl8723au/os_dep/recv_linux.c
Simple merge