ipv6 support now requires libtirpc, so un-disable and add it to dependencies.
(From OE-Core rev: 219d74d9df6a4a819d03091f35205a5634b268c7)
Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>