Update build framework for PowerSupply fault app

Change-Id: I98a75efc88d92de0ab016a77d5dd4a1e9345df83
Signed-off-by: Brandon Wyman <bjwyman@gmail.com>
diff --git a/.gitignore b/.gitignore
index b90d129..0aa8e6b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,5 +26,6 @@
 missing
 stamp-h1
 witherspoon-pseq-monitor
+witherspoon-psu-monitor
 xyz/openbmc_project/Power/Fault/
 test-driver