msm-camera: copy move focus result to user space

User space needs update of current lens position in
msm_actuator_cfg_data. So after servicing ioctrl
data needs to be copied from temp data to result
structure, which will be copied to user space in
video_usercopy

Change-Id: I13062015a614f46413fae69b5aee55a0785aba6f
Signed-off-by: Ivan Evlogiev <ivanevlogiev@codeaurora.org>