Add an optional per-component branch setting to allow specifying the
branch instead of always using master.
(From OE-Core rev: 8e2b8b05607103acd539808c5ab0cc80c0d481fc)
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>