arm64: dts: qcom: sdm630: Add compat qcom,sdm660-dsi-ctrl

The sdm630 can use the sdm660 mdss-dsi-ctrl compat. Currently it has the
same set of binding dependencies as sdm660.
Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221223021025.1646636-16-bryan.odonoghue@linaro.org

arch/arm64/boot/dts/qcom/sdm630.dtsi

@@ -1572,7 +1572,8 @@ opp-412500000 {
 			};
 
 			dsi0: dsi@c994000 {
-				compatible = "qcom,mdss-dsi-ctrl";
+				compatible = "qcom,sdm660-dsi-ctrl",
+					     "qcom,mdss-dsi-ctrl";
 				reg = <0x0c994000 0x400>;
 				reg-names = "dsi_ctrl";