dt-bindings: display: imx/ldb: drop ddc-i2c-bus property

The in-kernel DT files do not use ddc-i2c-bus property with the iMX LVDS
Display Bridge. If in future a need arises to support such usecase, the
panel-simple should be used, which is able to handle the DDC bus.

Acked-by: Rob Herring <[email protected]>
Reviewed-by: Philipp Zabel <[email protected]>
Tested-by: Chris Healy <[email protected]>
Tested-by: Philipp Zabel <[email protected]> # on imx6q-nitrogen6x
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Dmitry Baryshkov <[email protected]>

Author: lumag

Documentation/devicetree/bindings/display/imx/ldb.txt

@@ -62,7 +62,6 @@ Required properties:
    display-timings are used instead.
 
 Optional properties (required if display-timings are used):
- - ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
  - display-timings : A node that describes the display timings as defined in
    Documentation/devicetree/bindings/display/panel/display-timing.txt.
  - fsl,data-mapping : should be "spwg" or "jeida"