Sync with OE at 3b7d83362027fde4f6850533ab83277d95dda961 however
without changing the way of generating the toolchain file and making
it branding agnostic.
(From OE-Core rev: ee98c2b095b991901b6c2125b2428985c873b4bd)
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>