IPQ40xx: Add SMEM support

There is already existing driver for SMEM so lets enable it for IPQ40xx as well.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Cc: Luka Perkov <luka.perkov@sartura.hr>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 80702c2..ee378f0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -767,8 +767,10 @@
 	select DM
 	select DM_GPIO
 	select DM_SERIAL
+	select MSM_SMEM
 	select PINCTRL
 	select CLK
+	select SMEM
 	select OF_CONTROL
 	imply CMD_DM
 
diff --git a/arch/arm/dts/qcom-ipq4019.dtsi b/arch/arm/dts/qcom-ipq4019.dtsi
index 7b3b5e0..dd69d0a 100644
--- a/arch/arm/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/dts/qcom-ipq4019.dtsi
@@ -39,6 +39,11 @@
 		};
 	};
 
+	smem {
+		compatible = "qcom,smem";
+		memory-region = <&smem_mem>;
+	};
+
 	soc: soc {
 		#address-cells = <1>;
 		#size-cells = <1>;