arm64: dts: qcom: qrb4210-rb2: Enable CAN bus controller

Enable the Microchip mcp2518fd hosted on the SPI5 bus.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-and-Tested-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230515-topic-rb2-bits-v1-5-a52d154a639d@linaro.org

arch/arm64/boot/dts/qcom/qrb4210-rb2.dts

@@ -20,6 +20,14 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	clocks {
+		clk40M: can-clk {
+			compatible = "fixed-clock";
+			clock-frequency = <40000000>;
+			#clock-cells = <0>;
+		};
+	};
+
 	hdmi-connector {
 		compatible = "hdmi-connector";
 		type = "a";
@@ -390,6 +398,20 @@ &sdhc_2 {
 	status = "okay";
 };
 
+&spi5 {
+	status = "okay";
+
+	can@0 {
+		compatible = "microchip,mcp2518fd";
+		reg = <0>;
+		interrupts-extended = <&tlmm 39 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&clk40M>;
+		spi-max-frequency = <10000000>;
+		vdd-supply = <&vdc_5v>;
+		xceiver-supply = <&vdc_5v>;
+	};
+};
+
 &sleep_clk {
 	clock-frequency = <32000>;
 };