rp-pppoe plugin was broken due linux headers changes: pppd has own copy of
if_pppol2tp.h file which is included from <linux/if_pppox.h>.
Add patch from Debian for struct pppol2tpv3_addr definition.
(From OE-Core rev: bc2581aff2a859b414c8097514527a9b5b0ab2a6)
Signed-off-by: Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>