arm64: dts: qcom: Add SPMI bus controller for Shikra

Add spmi-pmic-arb device for the SPMI PMIC arbiter
found on shikra.

Signed-off-by: Rakesh Kota <rakesh.kota@oss.qualcomm.com>

Author: kotarake

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

@@ -327,6 +327,28 @@
 			};
 		};
 
+		spmi_bus: spmi@1c40000 {
+			compatible = "qcom,spmi-pmic-arb";
+			reg = <0x0 0x01c40000 0x0 0x1100>,
+			      <0x0 0x01e00000 0x0 0x2000000>,
+			      <0x0 0x03e00000 0x0 0x100000>,
+			      <0x0 0x03f00000 0x0 0xa0000>,
+			      <0x0 0x01c0a000 0x0 0x26000>;
+			reg-names = "core",
+				    "chnls",
+				    "obsrvr",
+				    "intr",
+				    "cnfg";
+			interrupts-extended = <&mpm 86 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "periph_irq";
+			interrupt-controller;
+			#interrupt-cells = <4>;
+			#address-cells = <2>;
+			#size-cells = <0>;
+			qcom,channel = <0>;
+			qcom,ee = <0>;
+		};
+
 		rpm_msg_ram: sram@45f0000 {
 			compatible = "qcom,rpm-msg-ram", "mmio-sram";
 			reg = <0x0 0x045f0000 0x0 0x7000>;