Fix ADC on GPIO35/36 on the M5Core2 (#152)

Author: timothyparez

nanoFramework.M5Core2/M5Core2.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using Iot.Device.Axp192;
@@ -333,6 +333,12 @@ public static AdcChannel GetAdcGpio(int gpioNumber)
 
             switch (gpioNumber)
             {
+                case 35:
+                    Configuration.SetPinFunction(11, DeviceFunction.ADC1_CH7);
+                    return _adc.OpenChannel(7);
+                case 36:
+                    Configuration.SetPinFunction(5, DeviceFunction.ADC1_CH0);
+                    return _adc.OpenChannel(0);
                 case 32:
                     Configuration.SetPinFunction(32, DeviceFunction.ADC1_CH4);
                     return _adc.OpenChannel(4);