We use toolchain_create_sdk_version() in buildtools-tarball but
don't want the extra classes toolchain-scripts pulls in, therefore
split out a separate base class for this function which both
toolchain-scripts and the buildtools-tarball can inherit.
(From OE-Core rev: a398dfa654dc035c404fc12279fac9edf6403e11)
Signed-off-by: Joshua Lock <joshua.g.lock@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Joshua Lock