ARM64: zynqmp: Remove note about level shifter on zcu102

i2c device is just level shifter. Remove reference from dts.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

arch/arm/dts/zynqmp-zcu102.dts

@@ -394,7 +394,7 @@ drivers/hwmon/pmbus/Makefile:11:obj-$(CONFIG_SENSORS_MAX20751)  += max20751.o
 		/* Bus 3 is not connected */
 	};
 
-	/* FIXME PL connection - u55 , PMOD - j160 */
+	/* FIXME PMOD - j160 */
 	/* FIXME MSP430F - u41 - not detected */
 };