arm64: dts: qcom: sm8250: Drop redundant phy-names from DSI controller

phy-names has been marked deprecated. Remove it from the sm8250 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/20220907000105.786265-12-bryan.odonoghue@linaro.org

arch/arm64/boot/dts/qcom/sm8250.dtsi

@@ -3555,7 +3555,6 @@ dsi0: dsi@ae94000 {
 				power-domains = <&rpmhpd SM8250_MMCX>;
 
 				phys = <&dsi0_phy>;
-				phy-names = "dsi";
 
 				status = "disabled";
 
@@ -3647,7 +3646,6 @@ dsi1: dsi@ae96000 {
 				power-domains = <&rpmhpd SM8250_MMCX>;
 
 				phys = <&dsi1_phy>;
-				phy-names = "dsi";
 
 				status = "disabled";