Staging: dream: smd: smd_qmi: fix code style issues

This fixes some code style issues about to #include <linux/uaccess.h>
instead of <asm/uaccess.h> and some not necessary braces {}.

Signed-off-by: Chihau Chau <chihau@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>