wspoon: Inhibit mrw fan-control fan config

Use a hardcoded config file for the Witherspoon fan presence
configuration.

Hopefully a somewhat temporary workaround of missing tags in the
Witherspoon MRW.

Change-Id: I28525d69ac340371b96d09390c7f2800d89fca5c
diff --git a/meta-witherspoon/recipes-phosphor/fans/phosphor-fan-control-fan-config%/fans.yaml b/meta-witherspoon/recipes-phosphor/fans/phosphor-fan-control-fan-config%/fans.yaml
new file mode 100755
index 0000000..8ad72d8
--- /dev/null
+++ b/meta-witherspoon/recipes-phosphor/fans/phosphor-fan-control-fan-config%/fans.yaml
@@ -0,0 +1,21 @@
+fans:
+  - inventory: /system/chassis/motherboard/fan2
+    cooling_zone: 0
+    cooling_profile: all
+    sensors:
+      - fan2
+  - inventory: /system/chassis/motherboard/fan0
+    cooling_zone: 0
+    cooling_profile: all
+    sensors:
+      - fan0
+  - inventory: /system/chassis/motherboard/fan1
+    cooling_zone: 0
+    cooling_profile: air
+    sensors:
+      - fan1
+  - inventory: /system/chassis/motherboard/fan3
+    cooling_zone: 0
+    cooling_profile: all
+    sensors:
+      - fan3