ARM: dts: stm32: remove useless dma-ranges property for stm32f469

Remove dma-ranges from ltdc node since it is already set
on bus node.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32f469-disco.dts

@@ -166,7 +166,6 @@ dsi_panel_in: endpoint {
 };
 
 &ltdc {
-	dma-ranges;
 	status = "okay";
 
 	port {