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-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/obmc/power-supply-monitor/power-supply-monitor-0.conf b/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/obmc/power-supply-monitor/power-supply-monitor-0.conf
index a55828d..1a8c7c9 100644
--- a/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/obmc/power-supply-monitor/power-supply-monitor-0.conf
+++ b/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/obmc/power-supply-monitor/power-supply-monitor-0.conf
@@ -1,4 +1,4 @@
 DEVPATH=/sys/bus/i2c/devices/3-0068
 INSTANCE=0
-INVENTORY=/system/chassis/power_supply0
+INVENTORY=/system/chassis/powersupply0