staging: rts5208: divide lines to make them less than 80 characters long

Make a couple of lines shorter than the max limit by diving them and
also make sure to align them properly where possible.

Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>