msm: ultrasound: update proximity data format

Data format has been updated in the proximity service,
running on QDSP6.
This update should be supported in the ultrasound related
definitions in the kernel.

Change-Id: I27260fff55b48bb10f22e8bbaaaa13c4202c2121
Signed-off-by: Baruch Eruchimovitch <baruche@codeaurora.org>