[show] add platform components in Newport, Montara, Mavericks for fix incomprehensible firmware Error print (#8690)

What I did:
     add platform components
 How I did it:
      In platform_components.json add chassis and empty component
How to verify it:
       Run show platform firmware updates

device/barefoot/x86_64-accton_as9516_32d-r0/platform_components.json

@@ -0,0 +1,8 @@
+{
+    "chassis": {
+        "Newport": {
+            "component": {
+            }
+        }
+    }
+}

device/barefoot/x86_64-accton_wedge100bf_32x-r0/platform_components.json

@@ -0,0 +1,8 @@
+{
+    "chassis": {
+        "Wedge100BF-32X-O-AC-F-BF": {
+            "component": {
+            }
+        }
+    }
+}

device/barefoot/x86_64-accton_wedge100bf_65x-r0/platform_components.json

@@ -0,0 +1,8 @@
+{
+    "chassis": {
+        "Wedge100BF-65X-O-AC-F-BF": {
+            "component": {
+            }
+        }
+    }
+}