Use lnr instead of "ln --relative" as systemd does
to avoid needing coreutils 8.16.
The patch is from systemd recipe and is rebased
so it can be applied for systemd-boot.
(From OE-Core rev: 7acc8c456fee53bf637fe08e492dd5466998c585)
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>