staging: ks7010: remove unecessary spaces after casts

Remove spaces after casts found by checkpatch.pl. In some cases,
remove returns after casts and place them on a single line.
Signed-off-by: Katie Dunne <kdunne@mail.ccsf.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>