ARM: dts: msm: Update mdss pinctrl for sdm450

Update the mdss pinctrl by overriding the gpio number (previously
assigned in msm8953-pincontrol) not required by sdm450.

Change-Id: I680036642df8087f3ee8c5f9f111e3f1ceb4455c
Signed-off-by: Rashi Bindra <rbindra@codeaurora.org>
diff --git a/arch/arm64/boot/dts/qcom/sdm450-pmi632.dtsi b/arch/arm64/boot/dts/qcom/sdm450-pmi632.dtsi
index e09d637..6e39327 100644
--- a/arch/arm64/boot/dts/qcom/sdm450-pmi632.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm450-pmi632.dtsi
@@ -372,3 +372,24 @@
 		};
 	};
 };
+
+&tlmm {
+	pmx_mdss {
+		mdss_dsi_active: mdss_dsi_active {
+			 mux {
+				 pins = "gpio61";
+			 };
+			 config {
+				 pins = "gpio61";
+			 };
+		 };
+		mdss_dsi_suspend: mdss_dsi_suspend {
+			  mux {
+				  pins = "gpio61";
+			  };
+			  config {
+				  pins = "gpio61";
+			  };
+		  };
+	};
+};