Staging: dream: camera: msm_camera: fix code style issues

This fixes some code style issues like to add one space after a while or
switch statement and before a open parenthesis '(', and to include KERN_
facility level in the printk() functions.

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