ARM: dts: aspeed: minerva: add second source RTC

Add second source RTC on i2c bus 9.

Signed-off-by: Yang Chen <yangchen.openbmc@gmail.com>
Link: https://patch.msgid.link/20241212133226.342937-5-yangchen.openbmc@gmail.com
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>

Author: Quanta-YangChen

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

@@ -1292,6 +1292,11 @@
 		compatible = "nxp,pcf8563";
 		reg = <0x51>;
 	};
+
+	rtc@68 {
+		compatible = "dallas,ds1339";
+		reg = <0x68>;
+	};
 };
 
 &i2c12 {