input: synaptics: Register sysfs entries with i2c client

Register sysfs entries with i2c client instead of input
device.  This is standardized across touchscreen drivers.

Change-Id: I90140d2cd33287f7b090b5ed5275aa3b75999d0b
Signed-off-by: Amy Maloche <amaloche@codeaurora.org>
2 files changed