racehound: new package

[Thomas:
  - indicate in the Config.in help text that CONFIG_KPROBES
  - add missing final double quote in one of the Config.in comment
  - normalize the Config.in comment dependencies
  - bump to the latest Git version.]

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>