phosphor-mapper.bb: bump version

Change-Id: I74dd128762889600571c2dd77a7f47002259566f
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/common/recipes-phosphor/dbus/phosphor-mapper.bb b/common/recipes-phosphor/dbus/phosphor-mapper.bb
index 7370d94..8781b4c 100644
--- a/common/recipes-phosphor/dbus/phosphor-mapper.bb
+++ b/common/recipes-phosphor/dbus/phosphor-mapper.bb
@@ -35,7 +35,7 @@
         "
 SRC_URI += "git://github.com/openbmc/phosphor-objmgr"
 
-SRCREV = "3b30b9add424e884a2cbc965726ffc9a901cc08c"
+SRCREV = "5e21ac017d4aeec18ce64fea7a0f42332d405cfc"
 
 S = "${WORKDIR}/git"