[media] staging/media/rtl2832u_sdr: fix coding style problems by adding blank lines

[media] staging/media/rtl2832u_sdr: fix coding style problems by adding blank lines

This minor patch fixes all WARNING:SPACING style warnings in rtl2832_sdr.c

The new version of the file pleases checkpatch.pl when run with "--ignore LONG_LINE".

Signed-off-by: Ovidiu Toader <ovi@phas.ubc.ca>
Acked-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>