The __config_regexp__ in ConfHandler is quite long, and using re.X to
break the expression onto several lines make it a bit easier to read.
(Bitbake rev: 54dce9e14ab0657d76f0d0ae22eef7fab8e8950d)
Signed-off-by: Olof Johansson <olof.johansson@axis.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>