Drop the use of custom Python code and instead use the new lnr script to
generate relative symlinks.
(From OE-Core rev: efe328d3713f60257358cab5d7c6a1d38d1a8d88)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>