Add a flag control that PRIVATE libm can be chosen

Change-Id: I080456a2c45ac870965c25552c5821875568fe9b
Author: Xiaokang, Qin <xiaokang.qin@intel.com>
Signed-off-by: Xiaokang, Qin <xiaokang.qin@intel.com>
Signed-off-by: Shuo Gao <shuo.gao@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
Signed-off-by: Jack Ren <jack.ren@intel.com>
Author-tracking-BZ: 63396
1 file changed