classes/binconfig.bbclass: Allow packages to add sed expressions
packages/apr/apr-util,apr use this, but it not been in the class
patch the config files to be 'installed' and not point to the build
and source-directory.
From OE-Classic:
http://git.openembedded.org/openembedded/commit/?id=
030992bdd415c8892cf2925cf6fbe888226be046
[YOCTO #3267]
Orignal Author: Holger Freyther <zecke@selfish.org>
(From OE-Core rev:
ab56f1063a666df5faddd97f44758c8ae378e51c)
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>