arm: dts: aspeed: tiogapass: Enable second MAC

Tioga Pass reference design includes Intel I210 Ethernet controller
connected to the BMC with NC/SI.

MAC readout is not supported.

Signed-off-by: Paul Fertser <[e-mail]>
Reviewed-by: Vijay Khemka <[e-mail]>
Tested-by: Vijay Khemka <[e-mail]>
Signed-off-by: Joel Stanley <[e-mail]>

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

···
 	use-ncsi;
 };
 
+&mac1 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_rmii2_default>;
+	use-ncsi;
+};
+
 &adc {
 	status = "okay";
 };