dts: db410c: added smem nodes

Added necessary nodes for Qualcomm smem driver.

Signed-off-by: Ramon Fried <ramon.fried@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/arm/dts/dragonboard410c-uboot.dtsi

@@ -6,6 +6,11 @@
  */
 
 / {
+
+	smem {
+		u-boot,dm-pre-reloc;
+	};
+
 	soc {
 		u-boot,dm-pre-reloc;
 

arch/arm/dts/dragonboard410c.dts

@@ -27,18 +27,34 @@
 		#address-cells = <2>;
 		#size-cells = <2>;
 		ranges;
+
+		smem_mem: smem_region@86300000 {
+			reg = <0x0 0x86300000 0x0 0x100000>;
+			no-map;
+		};
 	};
 
 	chosen {
 		stdout-path = "/soc/serial@78b0000";
 	};
 
+	smem {
+		compatible = "qcom,smem";
+		memory-region = <&smem_mem>;
+		qcom,rpm-msg-ram = <&rpm_msg_ram>;
+	};
+
 	soc {
 		#address-cells = <0x1>;
 		#size-cells = <0x1>;
 		ranges = <0x0 0x0 0x0 0xffffffff>;
 		compatible = "simple-bus";
 
+		rpm_msg_ram: memory@60000 {
+			compatible = "qcom,rpm-msg-ram";
+			reg = <0x60000 0x8000>;
+		};
+
 		pinctrl: qcom,tlmm@1000000 {
 			compatible = "qcom,tlmm-apq8016";
 			reg = <0x1000000 0x400000>;