phosphor-time-manager: srcrev bump 4e84539349..a8741b56ec

Lei YU (1):
      README: Add special note on NTP setting change

Change-Id: I6d68686b24783602a5d88441070a4f851a34fd8e
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
diff --git a/recipes-phosphor/datetime/phosphor-time-manager_git.bb b/recipes-phosphor/datetime/phosphor-time-manager_git.bb
index a15cbb9..9776fee 100644
--- a/recipes-phosphor/datetime/phosphor-time-manager_git.bb
+++ b/recipes-phosphor/datetime/phosphor-time-manager_git.bb
@@ -23,7 +23,7 @@
 RDEPENDS_${PN} += "phosphor-dbus-interfaces"
 
 SRC_URI += "git://github.com/openbmc/phosphor-time-manager"
-SRCREV = "4e84539349dac086ce2a58e5b9900ed4e40a2eaf"
+SRCREV = "a8741b56ecb9e5538b574554898679618570da63"
 PV = "1.0+git${SRCPV}"
 S = "${WORKDIR}/git"