staging: rtl8723bs: Fix pointer style

Fix "(foo*)" should be "(foo *)"
Fix "foo * bar" should be "foo *bar"

Signed-off-by: Justin Vreeland <justin@jvreeland.com>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>