configuration: yosemite4n: add support 2nd source ADC

Add new ADC `MAX11615` type to support 2nd source.

Tested:
```
root@bmc:~# busctl introspect xyz.openbmc_project.PSUSensor /xyz/openbmc_project/sensors/voltage/MGNT_P1V8_VOLT_V
NAME                                                  TYPE      SIGNATURE RESULT/VALUE                             FLAGS
xyz.openbmc_project.Sensor.Threshold.Critical         interface -         -                                        -
.CriticalAlarmHigh                                    property  b         true                                     emits-change
.CriticalAlarmLow                                     property  b         false                                    emits-change
.CriticalHigh                                         property  d         1.944                                    emits-change writable
.CriticalLow                                          property  d         1.656                                    emits-change writable
xyz.openbmc_project.Sensor.Threshold.Warning          interface -         -                                        -
.WarningAlarmHigh                                     property  b         true                                     emits-change
.WarningAlarmLow                                      property  b         false                                    emits-change
.WarningHigh                                          property  d         1.926                                    emits-change writable
.WarningLow                                           property  d         1.674                                    emits-change writable
xyz.openbmc_project.Sensor.Value                      interface -         -                                        -
.MaxValue                                             property  d         255                                      emits-change
.MinValue                                             property  d         0                                        emits-change
.Unit                                                 property  s         "xyz.openbmc_project.Sensor.Value.Unit.… emits-change
.Value                                                property  d         1.80581                                  emits-change writable

```

Change-Id: I3473ee94a8ec9f87d143b9e1765fedccdfd7e761
Signed-off-by: Tim Lee <timlee660101@gmail.com>
diff --git a/configurations/yosemite4n.json b/configurations/yosemite4n.json
index 3e53ccf..c022bf8 100644
--- a/configurations/yosemite4n.json
+++ b/configurations/yosemite4n.json
@@ -368,6 +368,47 @@
             "in0_Scale": 824.561
         },
         {
+            "Address": "0x33",
+            "Bus": 34,
+            "Labels": [
+                "in_voltage0"
+            ],
+            "Name": "MGNT_ADC_33",
+            "Thresholds": [
+                {
+                    "Direction": "greater than",
+                    "Label": "in_voltage0",
+                    "Name": "upper critical",
+                    "Severity": 1,
+                    "Value": 1.944
+                },
+                {
+                    "Direction": "greater than",
+                    "Label": "in_voltage0",
+                    "Name": "upper non critical",
+                    "Severity": 0,
+                    "Value": 1.926
+                },
+                {
+                    "Direction": "less than",
+                    "Label": "in_voltage0",
+                    "Name": "lower non critical",
+                    "Severity": 0,
+                    "Value": 1.674
+                },
+                {
+                    "Direction": "less than",
+                    "Label": "in_voltage0",
+                    "Name": "lower critical",
+                    "Severity": 1,
+                    "Value": 1.656
+                }
+            ],
+            "Type": "MAX11615",
+            "in_voltage0_Name": "MGNT_P1V8_VOLT_V",
+            "in_voltage0_Scale": 1649.122
+        },
+        {
             "Class": "fan",
             "FFGainCoefficient": 1.0,
             "FFOffCoefficient": 0.0,