- User lld for linking nativesdk-clang
- Enable LTO to build nativesdk-clang
- Use -static-libgcc when using gold/lld for nativesdk clang build
- Use llvm wrappers for ar ranlib and nm to help LTO
- Package and create cross versions of lld

Signed-off-by: Khem Raj <raj.khem@gmail.com>