Add in IR35221 hwon config file

The IR35221 is a new chip which provides temperature information
on the VRMs installed in the system.

Change-Id: I49e24e14f74400e948c2ed98132ebf5ef66346ff
Signed-off-by: Andrew Geissler <andrewg@us.ibm.com>
diff --git a/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%.bbappend b/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%.bbappend
index 4796f2d..635fbcd 100644
--- a/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%.bbappend
+++ b/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%.bbappend
@@ -3,6 +3,10 @@
 WSPOON_CHIPS = " \
                i2c@1e78a000/i2c-bus@100/bmp280@77 \
                i2c@1e78a000/i2c-bus@100/dps310@76 \
+               i2c@1e78a000/i2c-bus@140/ir35221@70 \
+               i2c@1e78a000/i2c-bus@140/ir35221@71 \
+               i2c@1e78a000/i2c-bus@180/ir35221@70 \
+               i2c@1e78a000/i2c-bus@180/ir35221@71 \
                "
 
 WSPOON_ITEMSFMT = "ahb/apb/{0}.conf"