arm64: dts: qcom: sm8250: change DSI PHY node name to generic one

Change DSI PHY node names from custom 'dsi-phy' to the generic 'phy'.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220924090108.166934-10-dmitry.baryshkov@linaro.org

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

@@ -3599,7 +3599,7 @@ opp-358000000 {
 				};
 			};
 
-			dsi0_phy: dsi-phy@ae94400 {
+			dsi0_phy: phy@ae94400 {
 				compatible = "qcom,dsi-phy-7nm";
 				reg = <0 0x0ae94400 0 0x200>,
 				      <0 0x0ae94600 0 0x280>,
@@ -3671,7 +3671,7 @@ dsi1_out: endpoint {
 				};
 			};
 
-			dsi1_phy: dsi-phy@ae96400 {
+			dsi1_phy: phy@ae96400 {
 				compatible = "qcom,dsi-phy-7nm";
 				reg = <0 0x0ae96400 0 0x200>,
 				      <0 0x0ae96600 0 0x280>,