package_custom_regex_comp is built with the current package name and
then used to search upstream version this reduces custom regex'es in
sites that have different packages in the same directory.
(Bitbake rev: a69d5d48c4bf9a3df3121cc4e69ba5d7e947ad8d)
Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>