Remove MATHLIB recipe that downloads pre-built MATHLIB from ti.com.
Add new recipe to build MATHLIB for C66x or C674x from source code.
Signed-off-by: Jianzhong Xu <xuj@ti.com>
Signed-off-by: Jacob Stiffler <j-stiffler@ti.com>
Signed-off-by: Denys Dmytriyenko <denys@ti.com>