ARM: dts: msm: add firmware name for touch controller

Add firmware and configuration details for Atmel
touch controller used in MSM8994 Liquid.

CRs-fixed: 723472
Change-Id: Ie213c70b17cd478b27fbf443443b171efbc8e1ca
Signed-off-by: Mohan Pallaka <mpallaka@codeaurora.org>