phosphor-time-manager.bb: bump version

Change-Id: I357c181cec24620b859a53fbe8adb7621a81cee4
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/common/recipes-phosphor/datetime/phosphor-time-manager.bb b/common/recipes-phosphor/datetime/phosphor-time-manager.bb
index 5bef74e..f56306a 100644
--- a/common/recipes-phosphor/datetime/phosphor-time-manager.bb
+++ b/common/recipes-phosphor/datetime/phosphor-time-manager.bb
@@ -17,7 +17,7 @@
 RDEPENDS_${PN} += "libsystemd"
 
 SRC_URI += "git://github.com/openbmc/phosphor-time-manager"
-SRCREV = "eaee45522525b0b6d479cf9ac6afe4767648d258"
+SRCREV = "4188567ae87609943489e559ab2067f1cbc76f40"
 S = "${WORKDIR}/git"
 
 DBUS_SERVICE_${PN} += "org.openbmc.TimeManager.service"