The bindings requires the avee-supply, use the same regulator as
the avdd (positive voltage) which would also provide the negative
voltage by definition.
The fixes:
sc7180-trogdor-quackingstick-r0.dts: panel@0: 'avee-supply' is a required property
	from schema $id: http://devicetree.org/schemas/display/panel/boe,tv101wum-nl6.yaml#
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20241230-topic-misc-dt-fixes-v4-3-1e6880e9dda3@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
                pinctrl-names = "default";
                pinctrl-0 = <&lcd_rst>;
                avdd-supply = <&ppvar_lcd>;
+               avee-supply = <&ppvar_lcd>;
                pp1800-supply = <&v1p8_disp>;
                pp3300-supply = <&pp3300_dx_edp>;
                backlight = <&backlight>;