Got errors that we were unable to find -lreadline, this fixed the
issue
(From OE-Core rev: ddc9a58b8553599d2328ac1c4449b41681ae45d1)
Signed-off-by: Matthew McClintock <msm@freescale.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>