arm/dt: 8974-liquid: Add Atmel touchscreen device
arm/dt: 8974-liquid: Add Atmel touchscreen device

Add Atmel touch-screen device to liquid device tree.
This includes configuration data for Atmel controller,
which configures power settings, number of touchses supported,
resolution and much more.

CRs-Fixed: 360517
Change-Id: I85958061298b7ebca1ff375386346bafb45ccbcf
Signed-off-by: Amir Samuelov <deffe0b0841aae104f02b824cb20142d4a454234@codeaurora.org>
Signed-off-by: Amy Maloche <136dbe9eae95bbc401d4b86e6123e55b94e20cff@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas