linux-phytec-ti

mfd: 88pm860x: Move gpadc init into touch

The initilization of GPADC is moved from core driver to touch driver
with DT support.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>