ARM: dts: aspeed: tiogapass: Enable KCS

Tiogapass uses two KCS channels.
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>

arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts

@@ -56,6 +56,18 @@ &uart5 {
 	status = "okay";
 };
 
+&kcs2 {
+	// BMC KCS channel 2
+	status = "okay";
+	kcs_addr = <0xca8>;
+};
+
+&kcs3 {
+	// BMC KCS channel 3
+	status = "okay";
+	kcs_addr = <0xca2>;
+};
+
 &mac0 {
 	status = "okay";