configurations: yosemite5: rename medusa board fan sensor name

Update the sensor name suffix for the FAN sensors on the Medusa board
from CURR to VOLT to accurately reflect the actual output signal type.

Change-Id: I0e736c086a7227d1d3fe347578d98ae4cc214683
Signed-off-by: Kevin Tung <kevin.wtmh@gmail.com>
diff --git a/configurations/meta/yosemite5_medusa_board.json b/configurations/meta/yosemite5_medusa_board.json
index ea0cb98..6a76a3e 100644
--- a/configurations/meta/yosemite5_medusa_board.json
+++ b/configurations/meta/yosemite5_medusa_board.json
@@ -81,10 +81,10 @@
                 }
             ],
             "Type": "ADC128D818",
-            "in0_Name": "PDB_ADC_FAN3_52V_IMON_CURR_A",
-            "in1_Name": "PDB_ADC_FAN2_52V_IMON_CURR_A",
-            "in2_Name": "PDB_ADC_FAN1_52V_IMON_CURR_A",
-            "in3_Name": "PDB_ADC_FAN0_52V_IMON_CURR_A",
+            "in0_Name": "PDB_ADC_FAN3_52V_IMON_VOLT_V",
+            "in1_Name": "PDB_ADC_FAN2_52V_IMON_VOLT_V",
+            "in2_Name": "PDB_ADC_FAN1_52V_IMON_VOLT_V",
+            "in3_Name": "PDB_ADC_FAN0_52V_IMON_VOLT_V",
             "in4_Name": "PDB_ADC_P1V_STBY_VOLT_V",
             "in5_Name": "PDB_ADC_P1V8_STBY_VOLT_V",
             "in6_Name": "PDB_ADC_P3V3_STBY_VOLT_V",