Staging: csr: fix pointer(asterisk) position coding style issue in sme_userspace.h

This is a patch in the sme_userspace.h that fixes up
a pointer(asterisk) position warning found by checkpatch.pl tool

Signed-off-by: Sunhee Hwang <sunheehwang821@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>