GCC 4.8 includes a new runtime library, libatomic, which supports
atomic operations not supported by hardware or the OS. Build it,
so other packages can link against it, if needed.
(From OE-Core rev: a4dd6dfccee0be50d3addce3dd1bf903e051ad5a)
Signed-off-by: Cosmin Paraschiv <cosmin.paraschiv@freescale.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>