phosphor-hwmon.bb: bump version

Change-Id: I71acf17624ba5f2ac89d9dd7dd22348035094d4e
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 11e968f..21eb69f 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 = "2260efb11630f8663e69a75a1be96493b629e7b2"
+SRCREV = "b8740fc75ec54ff2d37f75f207f9d49f30bf7b1a"
 
 S = "${WORKDIR}/git"