ARM: dts: aspeed: tacoma: Clean up KCS nodes

Make the Tacoma KCS nodes reflect the configuration of the Rainier and
Everest nodes.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20210709151119.2683600-1-andrew@aj.id.auSigned-off-by: Joel Stanley <joel@jms.id.au>

arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts

@@ -877,3 +877,14 @@ &xdma {
 	status = "okay";
 	memory-region = <&vga_memory>;
 };
+
+&kcs2 {
+	status = "okay";
+	aspeed,lpc-io-reg = <0xca8 0xcac>;
+};
+
+&kcs3 {
+	status = "okay";
+	aspeed,lpc-io-reg = <0xca2>;
+	aspeed,lpc-interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+};