arm64: dts: qcom: sdm660: Drop redundant phy-names from DSI controller

phy-names has been marked deprecated. Remove it from the sdm660 DSI
controller block.
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220907000105.786265-9-bryan.odonoghue@linaro.org

arch/arm64/boot/dts/qcom/sdm660.dtsi

@@ -190,7 +190,6 @@ dsi1: dsi@c996000 {
 					"core";
 
 		phys = <&dsi1_phy>;
-		phy-names = "dsi";
 
 		status = "disabled";