ARM: dts: TS-4800: add CAN support

This enables support for the CAN controller located in the FPGA.
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx51-ts4800.dts

@@ -176,6 +176,16 @@ fpga_irqc: fpga-irqc@15000 {
 			interrupt-controller;
 			#interrupt-cells = <1>;
 		};
+
+		can@1a000 {
+			compatible = "technologic,sja1000";
+			reg = <0x1a000 0x100>;
+			interrupt-parent = <&fpga_irqc>;
+			interrupts = <1>;
+			reg-io-width = <2>;
+			nxp,tx-output-config = <0x06>;
+			nxp,external-clock-frequency = <24000000>;
+		};
 	};
 };