staging: iio: tsl2x7x: add copyright

Add Brian Masney's copyright and to the list of module authors for all
of the staging cleanups. This patch also update's Jon Brenner's current
work email address since AMS now owns TAOS.

Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>