smdk4412: audio: Remove hackaround for broken audio in first call

It's not needed anymore.

Change-Id: If8e15afa41bd328732e7c77f2d2027c310a9cc2c
Haptic feedback controll

set system as owner of the sysfs file /sys/vibrator/pwm_val

Change-Id: Ibcb8abd248b6fe9ec4eab7f6713a116c4130764d