linux-imx

ARM: davinci: da850-evm: remove vref from touchscreen platform data

The vref field was not used by the driver and was removed from the
platform data structure.

Signed-off-by: Manish Badarkhe <badarkhe.manish@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>