module: cmake: add option to replace modules
Created by: Joe-Zhucg
Some platforms have special feature need to slightly modify upstream module. Add option to replace with the module defined in product path.
Change-Id: I1dc89ca49eecb1f2fb2e2537234cea7f98116c1c Signed-off-by: Joe Zhu Chunguang.Zhu@verisilicon.com