Revert "omap dss connector analog-tv: added ti,invert-polarity property for DT; always call invert_vid_out_polarity() of the input port or the opa362 driver can't handle correct signal inversion"

This reverts commit 312a4e4a722ecb3664d810eea379977b1f188b3f.
GTA04 DT: invert polarity ov VENC right in the DT of venc so that we do not need this in the connector-analog-tv.c driver

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>