meta-romulus: Add occ power sensors config

Occ power related sensors are missing in Romulus.
Add proc, vdd, vdn powers configs.

Change-Id: I2d5d151c34b30cc0b020e07faad81bb5f48e983e
Signed-off-by: Lei YU <mine260309@gmail.com>
diff --git a/meta-romulus/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/gpio-fsi/cfam@0,0/hub@3400/cfam@1,0/sbefifo@2400/occ@2/occ-hwmon@2.conf b/meta-romulus/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/gpio-fsi/cfam@0,0/hub@3400/cfam@1,0/sbefifo@2400/occ@2/occ-hwmon@2.conf
index 625c96b..383c70d 100644
--- a/meta-romulus/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/gpio-fsi/cfam@0,0/hub@3400/cfam@1,0/sbefifo@2400/occ@2/occ-hwmon@2.conf
+++ b/meta-romulus/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/gpio-fsi/cfam@0,0/hub@3400/cfam@1,0/sbefifo@2400/occ@2/occ-hwmon@2.conf
@@ -62,3 +62,6 @@
 LABEL_temp40 = "dimm13_temp"
 LABEL_temp41 = "dimm14_temp"
 LABEL_temp42 = "dimm15_temp"
+LABEL_power2 = "p1_power"
+LABEL_power3 = "p1_vdd_power"
+LABEL_power4 = "p1_vdn_power"