Install clang-tools-6.0 package

The clang-tools contains 'scan-build' binary, used for static analysis
checks at TF-A project [1].

[1] https://git.trustedfirmware.org/ci/tf-a-ci-scripts.git/tree/script/scan_build_wrapper.sh

Signed-off-by: Leonardo Sandoval <leonardo.sandoval@linaro.org>
Change-Id: I909b264f880821f61a1e49bafb11737f77c863f5
1 file changed