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

This fixes some code style issues detected with the checkpatch.pl
script, like not necessary braces {} in some if and else statements and
include a KERN_INFO facility level in a printk() function.

Signed-off-by: Chihau Chau <chihau@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>