ARM: at91/dt: at91sam9n12ek: disable i2c1

No device connect to i2c1, so remove it to keep it as disabled.
Signed-off-by: NBo Shen <voice.shen@atmel.com>
Signed-off-by: NNicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/at91sam9n12ek.dts

@@ -71,10 +71,6 @@
 				};
 			};
 
-			i2c1: i2c@f8014000 {
-				status = "okay";
-			};
-
 			mmc0: mmc@f0008000 {
 				pinctrl-0 = <
 					&pinctrl_board_mmc0