To avoid syntax errors when inheriting this class without setting BINCONFIG, add
a default value and a comment.
(From OE-Core rev: a7e808e9a0ff45f14235b2de3c53d89d98fde714)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>