bb.utils.contains was spread over multiple lines
collapse it into single line, make it more readable
(From OE-Core rev: 912782db29cfc15dae2e19e79fa974e11b83f297)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>