neardal: new package

[Peter: add toolchain deps for dbus. add dbus/host-pkgconf, wrap help text]
Signed-off-by: Simon Dawson <spdawson@gmail.com>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Tested-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
  (built-test on a minimal powerpc config)
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>