arm64: dts: qcom: msm8998-mtp: Enable bluetooth

Bluetooth is provided by a wcn3990, which is connected to the main SoC via
blsp1_uart3.
Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi

@@ -23,6 +23,20 @@ vph_pwr: vph-pwr-regulator {
 	};
 };
 
+&blsp1_uart3 {
+	status = "okay";
+
+	bluetooth {
+		compatible = "qcom,wcn3990-bt";
+
+		vddio-supply = <&vreg_s4a_1p8>;
+		vddxo-supply = <&vreg_l7a_1p8>;
+		vddrf-supply = <&vreg_l17a_1p3>;
+		vddch0-supply = <&vreg_l25a_3p3>;
+		max-speed = <3200000>;
+	};
+};
+
 &blsp2_uart1 {
 	status = "okay";
 };