ARM: dts: Add MSM QMP nodes for sdxprairie

QMP is a lighweight messaging protocol to remote procs within the SoC.
Add device nodes to enable communication to AOP.

Change-Id: Ibb8c77d498ede9255d942b6da7db5e51ed94f09b
Acked-by: Gaurang Parikh <gparikh@qti.qualcomm.com>
Signed-off-by: Chris Lew <clew@codeaurora.org>

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

@@ -354,6 +354,20 @@
 			qcom,glinkpkt-dev-name = "smd11";
 		};
 	};
+
+	 qmp_aop: qcom,qmp-aop@c300000 {
+		compatible = "qcom,qmp-mbox";
+		reg = <0xc310000 0x1000>, <0x17811008 0x4>;
+		reg-names = "msgram", "irq-reg-base";
+		qcom,irq-mask = <0x1>;
+		interrupts = <GIC_SPI 147 IRQ_TYPE_EDGE_RISING>;
+
+		label = "aop";
+		qcom,early-boot;
+		priority = <0>;
+		mbox-desc-offset = <0x0>;
+		#mbox-cells = <1>;
+	};
 };
 
 #include "sdxprairie-pinctrl.dtsi"