meta-ibm: Adjust mihawk's power sensor

1.Correct the channel of mihawk total power sensor
2.The current mihawk is not used to external gpu power.
  Avoid confusing users so delete this sensor.

Change-Id: I3053aa9521fa4263f1e570034f7550fc593efb0c
Signed-off-by: Ben Pai <Ben_Pai@wistron.com>
diff --git a/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon/mihawk/obmc/hwmon/devices/platform/gpio-fsi/fsi-master/fsi0/slave@00--00/00--00--00--06/sbefifo1-dev0/occ-hwmon.1.conf b/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon/mihawk/obmc/hwmon/devices/platform/gpio-fsi/fsi-master/fsi0/slave@00--00/00--00--00--06/sbefifo1-dev0/occ-hwmon.1.conf
index 5b347c1..94eeff7 100644
--- a/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon/mihawk/obmc/hwmon/devices/platform/gpio-fsi/fsi-master/fsi0/slave@00--00/00--00--00--06/sbefifo1-dev0/occ-hwmon.1.conf
+++ b/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon/mihawk/obmc/hwmon/devices/platform/gpio-fsi/fsi-master/fsi0/slave@00--00/00--00--00--06/sbefifo1-dev0/occ-hwmon.1.conf
@@ -287,5 +287,4 @@
 LABEL_power8 = "fans_power"
 LABEL_power9 = "storage_b_power"
 LABEL_power10 = "storage_a_power"
-LABEL_power11 = "gpu0_power"
-LABEL_power14 = "total_power"
+LABEL_power15 = "total_power"