Change inventory string for power supplies

Change the hardcoded power supply inventory paths to match the ones in
the MRW, which are used by the LED manager.

Change-Id: I1ba52286233e27b95c7296137aa135bbb4ef2d62
Signed-off-by: Brandon Wyman <bjwyman@gmail.com>
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/obmc/gpio/phosphor-power-supply-1.conf b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/obmc/gpio/phosphor-power-supply-1.conf
index 0f46495..facbd08 100644
--- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/obmc/gpio/phosphor-power-supply-1.conf
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/gpio/phosphor-gpio-monitor/obmc/gpio/phosphor-power-supply-1.conf
@@ -1,5 +1,5 @@
-INVENTORY=/system/chassis/power_supply1
+INVENTORY=/system/chassis/powersupply1
 DEVPATH=/dev/input/by-path/platform-gpio-keys-event
 KEY=104
-NAME=power_supply1
+NAME=powersupply1
 DRIVERS=/sys/bus/i2c/drivers/ibm-cffps,3-0069