phosphor-hwmon.bb: bump version

Change-Id: I986a5043a3b0aa931a7faab7ede3e4ff29d7440e
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-phosphor/common/recipes-phosphor/sensors/phosphor-hwmon.bb b/meta-phosphor/common/recipes-phosphor/sensors/phosphor-hwmon.bb
index 837c021..b11a6f1 100644
--- a/meta-phosphor/common/recipes-phosphor/sensors/phosphor-hwmon.bb
+++ b/meta-phosphor/common/recipes-phosphor/sensors/phosphor-hwmon.bb
@@ -36,7 +36,7 @@
 SRC_URI += "file://70-hwmon.rules"
 SRC_URI += "file://70-iio.rules"
 
-SRCREV = "ccfc77b6e84c566ca211842e5698ad36cb0e1d72"
+SRCREV = "b4e6557fc98f9163becc79bc6bc037e525b046ea"
 
 S = "${WORKDIR}/git"