staging: ks7010: Fix coding style and remove checkpatch.pl warnings.

Removed printk statements for debugging. The same information can be
acquired via ftrace, so these print statements are uneccessary.

Signed-off-by: Jonathan Whitaker <jon.b.whitaker@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>