phosphor-hwmon.bb: bump version

Change-Id: I54fa406c0ca697af576b6c5cd6bc4368cc6ac196
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/common/recipes-phosphor/sensors/phosphor-hwmon.bb b/common/recipes-phosphor/sensors/phosphor-hwmon.bb
index 4d4aeaf..ada406e 100644
--- a/common/recipes-phosphor/sensors/phosphor-hwmon.bb
+++ b/common/recipes-phosphor/sensors/phosphor-hwmon.bb
@@ -28,7 +28,7 @@
 SRC_URI += "git://github.com/openbmc/phosphor-hwmon"
 SRC_URI += "file://70-hwmon.rules"
 
-SRCREV = "1f8a9586266d90f8d88b5c1af51833b067d9c0b8"
+SRCREV = "ac8b7c6b71f089a9054e34d555c14ad14dd501b4"
 
 S = "${WORKDIR}/git"