witherspoon-pfault-analysis.inc: bump version

Change-Id: If1661cd9ef40b20b377472f68821ed80d458ee48
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis.inc b/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis.inc
index 6cbcf46..4e61214 100644
--- a/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis.inc
+++ b/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis.inc
@@ -2,4 +2,4 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://${S}/LICENSE;md5=e3fc50a88d0a364313df4b21ef20c29e"
 SRC_URI += "git://github.com/openbmc/witherspoon-pfault-analysis"
-SRCREV = "56d90a89317c293a8d70c9483102eb5cec767577"
+SRCREV = "81be00b1fd127a5dca22e51672ecbacb6d15341e"