Staging: android: timed_gpio: Removed spaces before tabs

Signed-off-by: Johannes Thumshirn <morbidrsa@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Change-Id: I6dbccde92f807599b1d3ee74a2c9d863e5124f84