ARM: dts: aspeed: everest: Add power supply i2c devices

Add the i2c/pmbus power supply devices to the everest device tree.
Signed-off-by: Brandon Wyman <bjwyman@gmail.com>
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20210329150020.13632-17-eajames@linux.ibm.comSigned-off-by: Joel Stanley <joel@jms.id.au>

arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts

@@ -228,6 +228,26 @@ eeprom@54 {
 		compatible = "atmel,24c128";
 		reg = <0x54>;
 	};
+
+	power-supply@68 {
+		compatible = "ibm,cffps";
+		reg = <0x68>;
+	};
+
+	power-supply@69 {
+		compatible = "ibm,cffps";
+		reg = <0x69>;
+	};
+
+	power-supply@6a {
+		compatible = "ibm,cffps";
+		reg = <0x6a>;
+	};
+
+	power-supply@6b {
+		compatible = "ibm,cffps";
+		reg = <0x6b>;
+	};
 };
 
 &i2c4 {