ARM: dts: qcom: sdx65: Add IMEM and PIL info region

Add a simple-mfd representing IMEM on SDX65 and define the PIL
relocation info region, so that post mortem tools will be able to locate
the loaded remoteproc.

Signed-off-by: Rohit Agarwal <[e-mail]>
Signed-off-by: Bjorn Andersson <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

arch/arm/boot/dts/qcom-sdx65.dtsi

···
 			interrupt-controller;
 		};
 
+		imem@1468f000 {
+			compatible = "simple-mfd";
+			reg = <0x1468f000 0x1000>;
+			ranges = <0x0 0x1468f000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			pil-reloc@94c {
+				compatible = "qcom,pil-reloc-info";
+				reg = <0x94c 0xc8>;
+			};
+		};
+
 		apps_smmu: iommu@15000000 {
 			compatible = "qcom,sdx65-smmu-500", "arm,mmu-500";
 			reg = <0x15000000 0x40000>;