configurations: Add configurations for mtmichell

This commit adds Entity-Manager configurations for Ampere's Mt.Mitchell
platform.

Signed-off-by: Chau Ly <chaul@amperecomputing.com>
Change-Id: I8bc852cd554b3ccf964f1222a37b5eba4f643e5c
diff --git a/configurations/mtmitchell_bmc.json b/configurations/mtmitchell_bmc.json
new file mode 100644
index 0000000..d3e6498
--- /dev/null
+++ b/configurations/mtmitchell_bmc.json
@@ -0,0 +1,126 @@
+{
+    "Exposes": [
+        {
+            "Index": 48,
+            "Name": "12V_SB_BMC",
+            "PollRate": 10,
+            "ScaleFactor": 0.1304,
+            "Thresholds": [
+                {
+                    "Direction": "greater than",
+                    "Name": "upper critical",
+                    "Severity": 1,
+                    "Value": 14.88
+                },
+                {
+                    "Direction": "greater than",
+                    "Name": "upper non critical",
+                    "Severity": 0,
+                    "Value": 13.44
+                },
+                {
+                    "Direction": "less than",
+                    "Name": "lower critical",
+                    "Severity": 1,
+                    "Value": 9.6
+                },
+                {
+                    "Direction": "less than",
+                    "Name": "lower non critical",
+                    "Severity": 0,
+                    "Value": 10.8
+                }
+            ],
+            "Type": "ADC"
+        },
+        {
+            "Index": 49,
+            "Name": "5V_SB_BMC",
+            "PollRate": 10,
+            "ScaleFactor": 0.3333,
+            "Thresholds": [
+                {
+                    "Direction": "greater than",
+                    "Name": "upper critical",
+                    "Severity": 1,
+                    "Value": 6.183
+                },
+                {
+                    "Direction": "greater than",
+                    "Name": "upper non critical",
+                    "Severity": 0,
+                    "Value": 5.589
+                },
+                {
+                    "Direction": "less than",
+                    "Name": "lower critical",
+                    "Severity": 1,
+                    "Value": 3.996
+                },
+                {
+                    "Direction": "less than",
+                    "Name": "lower non critical",
+                    "Severity": 0,
+                    "Value": 4.482
+                }
+            ],
+            "Type": "ADC"
+        },
+        {
+            "Index": 50,
+            "Name": "3V3_SB_BMC",
+            "PollRate": 10,
+            "ScaleFactor": 0.3333,
+            "Thresholds": [
+                {
+                    "Direction": "greater than",
+                    "Name": "upper critical",
+                    "Severity": 1,
+                    "Value": 4.086
+                },
+                {
+                    "Direction": "greater than",
+                    "Name": "upper non critical",
+                    "Severity": 0,
+                    "Value": 3.672
+                },
+                {
+                    "Direction": "less than",
+                    "Name": "lower critical",
+                    "Severity": 1,
+                    "Value": 2.628
+                },
+                {
+                    "Direction": "less than",
+                    "Name": "lower non critical",
+                    "Severity": 0,
+                    "Value": 2.97
+                }
+            ],
+            "Type": "ADC"
+        },
+        {
+            "Address": "0x35",
+            "Bus": 14,
+            "Name": "AST2600CPUTemp",
+            "Thresholds": [
+                {
+                    "Direction": "greater than",
+                    "Name": "upper critical",
+                    "Severity": 1,
+                    "Value": 65
+                }
+            ],
+            "Type": "TMP175"
+        }
+    ],
+    "Name": "Mt.Mitchell_BMC",
+    "Probe": "xyz.openbmc_project.FruDevice({'BOARD_PRODUCT_NAME': '.*Mitchell BMC*'})",
+    "Type": "Board",
+    "xyz.openbmc_project.Inventory.Decorator.Asset": {
+        "Manufacturer": "$BOARD_MANUFACTURER",
+        "Model": "$BOARD_PRODUCT_NAME",
+        "PartNumber": "$BOARD_PART_NUMBER",
+        "SerialNumber": "$BOARD_SERIAL_NUMBER"
+    }
+}