New package: ti-utils

Add the calibrator and other useful utilities for TI wireless solution,
based on wl12xx driver.

See http://linuxwireless.org/en/users/Drivers/wl12xx/calibrator

 for
further details.

[Peter: add libnl Config.in dependency]
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>