Its useful to separate out the native (cross) binaries from the target
compilation. We already do this for libgcc, this now takes the same
approach for -initial.
(From OE-Core rev: 8a2aaf8b6bdca2d28c0047093c7f668750d57666)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>