ARM: dts: uniphier: enable I2C channel 2 of ProXstream2 Gentil board

This is used for on-board inter-connection.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/boot/dts/uniphier-proxstream2-gentil.dts

@@ -63,6 +63,7 @@ aliases {
 		serial1 = &serial1;
 		serial2 = &serial2;
 		i2c0 = &i2c0;
+		i2c2 = &i2c2;
 		i2c4 = &i2c4;
 		i2c5 = &i2c5;
 		i2c6 = &i2c6;
@@ -81,3 +82,7 @@ eeprom@54 {
 		reg = <0x54>;
 	};
 };
+
+&i2c2 {
+	status = "okay";
+};