buildroot

Added support for configuration of boost binary names layout

[Peter: fix trailing whitescape / too long lines]
Signed-off-by: Uwe Kindler <uwe_kindler@web.de>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Reviewed-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>