yosemite4: fine tune medusa HSC power and current

ADM1272: current value*4 and power value*4.
ADM1281: current value*2 and power value*2.

Testing:
1. Unit tests passed.
2. Get sensor reading passed.

Change-Id: Ie55b8f3b55da93ffc28b82e2316ddaa9ac2d1def
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
diff --git a/schemas/legacy.json b/schemas/legacy.json
index 511799e..7330fa4 100644
--- a/schemas/legacy.json
+++ b/schemas/legacy.json
@@ -620,6 +620,9 @@
                 "iout1_Scale": {
                     "$ref": "#/definitions/Types/iout1_Scale"
                 },
+                "pin_Scale": {
+                    "$ref": "#/definitions/Types/pin_Scale"
+                },
                 "in0_Scale": {
                     "$ref": "#/definitions/Types/in0_Scale"
                 },
@@ -1346,6 +1349,9 @@
             "iout1_Scale": {
                 "type": "number"
             },
+            "pin_Scale": {
+                "type": "number"
+            },
             "in0_Scale": {
                 "type": "number"
             },