Staging: vt6656: whitespace cleanups in ioctl.c

The indents on this file didn't line up so it was hard to work with.
I changed other white space issues as I came across them.  I also
deleted or changed some couple comments and the comment style.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>