arm: dts: am642-evm: Add I2C nodes

Add I2C nodes for AM64 and enable pinmux for i2c0 for reading eeprom data.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/arch/arm/dts/k3-am64.dtsi b/arch/arm/dts/k3-am64.dtsi
index 0ae8c84..fde6346 100644
--- a/arch/arm/dts/k3-am64.dtsi
+++ b/arch/arm/dts/k3-am64.dtsi
@@ -28,6 +28,8 @@
 		serial6 = &main_uart4;
 		serial7 = &main_uart5;
 		serial8 = &main_uart6;
+		i2c0 = &main_i2c0;
+		i2c1 = &main_i2c1;
 	};
 
 	chosen { };