HID: hid-sensor-hub: fix indentation accross the code

Patch just rearranges lines to be more compact and/or readable. Additionally it
converts double space to one in several places.

There is no functional change.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>