arm: dts: trats2: add the i2c-gpio nodes

Add the i2c-gpio nodes for fuelgauge and max77693.
There are i2c8 and i2c9.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

arch/arm/dts/exynos4412-trats2.dts

@@ -27,6 +27,8 @@
 		i2c5 = "/i2c@138b0000";
 		i2c6 = "/i2c@138c0000";
 		i2c7 = "/i2c@138d0000";
+		i2c8 = &i2c_fg;
+		i2c9 = &i2c_max77693;
 		serial0 = "/serial@13800000";
 		console = "/serial@13820000";
 		mmc0 = "/sdhci@12510000";
@@ -34,6 +36,22 @@
 		mshc0 = "/dwmmc@12550000";
 	};
 
+	i2c_fg: fuel-gauge {
+		compatible = "i2c-gpio";
+		gpios = <&gpf1 5 0>,	/* sda */
+			<&gpf1 4 0>;	/* scl */
+		i2c-gpio,delay-us = <2>;        /* ~100 kHz */
+		status = "okay";
+	};
+
+	i2c_max77693: max77693 {
+		compatible = "i2c-gpio";
+		gpio = <&gpm2 0 0>,	/* sda */
+		       <&gpm2 1 0>;	/* scl */
+		i2c-gpio,delay-us = <2>;        /* ~100 kHz */
+		status = "okay";
+	};
+
 	i2c@138d0000 {
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-slave-addr = <0x10>;