mesa,llvm,meson: Update llvm to 8.0.1 plus define and use LLVM version globally
- Add missing dependency on libedit
- Define LLVMVERSION on the same lines as GCCVERSION and other tools
- Use LLVMVERSION in mesa and meson.bbclass to get llvm version instead of
hardcoding it
- Use llvm patches unmodified from meta-clang, helps in keeping them in
sync
- Define PREFERRED_VERSION for llvm, llvm-native, nativesdk-llvm
Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
