meta-ibm: mihawk: Add 250 soc thermal sensor

Mihawk can use up to eight 250-soc.

Tested:
The user can see the temperature when using 250-soc.

Change-Id: I4833fbe0e553c26b7a097a1fc4681bb03081dcfc
Signed-off-by: Ben Pai <Ben_Pai@wistron.com>
diff --git a/recipes-phosphor/sensors/phosphor-hwmon/mihawk/obmc/hwmon/ahb/apb/bus@1e78a000/i2c-bus@3c0/pca9545@71/i2c@1/tmp431@4c.conf b/recipes-phosphor/sensors/phosphor-hwmon/mihawk/obmc/hwmon/ahb/apb/bus@1e78a000/i2c-bus@3c0/pca9545@71/i2c@1/tmp431@4c.conf
new file mode 100644
index 0000000..6d3f24a
--- /dev/null
+++ b/recipes-phosphor/sensors/phosphor-hwmon/mihawk/obmc/hwmon/ahb/apb/bus@1e78a000/i2c-bus@3c0/pca9545@71/i2c@1/tmp431@4c.conf
@@ -0,0 +1,5 @@
+LABEL_temp2 = "250_soc4"
+WARNHI_temp2 = "95000"
+WARNLO_temp2 = "0"
+CRITHI_temp2 = "100000"
+CRITLO_temp2 = "0"