staging: slicoss: Stop swearing in slicoss.c

I'm assuming that "CRC shit reg" is referencing the CRC register/registry.
Please ignore this patch if "shit" is actually in context

Signed-off-by: Cruz Julian Bishop <cruzjbishop@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>