add support for uClibc version 0.9.32 based on git rev a7642511b08b0b8a4012bab67cb8aa554992df6b, this includes support for nptl which got merged into the uClibc master branch recently SVN-Revision: 21856
uClibc cleanup: - use full version string (0.9.30.1), instead of base (0.9.30) + extra (.1) - remove support for 0.9.28 and snapshots (building from SVN to be added later) SVN-Revision: 15368