meta-ibm: p10bmc: Add accuracy for power supply input power sensors

Since the accuracy of power supply input power sensors is 1% on IBM's
p10bmc system, add `ACCURACY=1` to the power supply configuration of
p10bmc.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: If143a61e44936fbd758d556575c250bc6ea501b2
diff --git a/meta-ibm/recipes-phosphor/sensors/phosphor-hwmon/p10bmc/obmc/hwmon/ahb/apb/bus@1e78a000/i2c-bus@200/power-supply@68.conf b/meta-ibm/recipes-phosphor/sensors/phosphor-hwmon/p10bmc/obmc/hwmon/ahb/apb/bus@1e78a000/i2c-bus@200/power-supply@68.conf
index 6d459a4..bac2176 100644
--- a/meta-ibm/recipes-phosphor/sensors/phosphor-hwmon/p10bmc/obmc/hwmon/ahb/apb/bus@1e78a000/i2c-bus@200/power-supply@68.conf
+++ b/meta-ibm/recipes-phosphor/sensors/phosphor-hwmon/p10bmc/obmc/hwmon/ahb/apb/bus@1e78a000/i2c-bus@200/power-supply@68.conf
@@ -9,3 +9,5 @@
 LABEL_temp1="ps0_temp0"
 LABEL_temp2="ps0_temp1"
 LABEL_temp3="ps0_temp2"
+
+ACCURACY_power1="1"