phosphor-mapper.bb: bump version

Change-Id: I6d60ac13ed02cf220d4e1dd2bd14d550a774593a
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/common/recipes-phosphor/dbus/phosphor-mapper.bb b/common/recipes-phosphor/dbus/phosphor-mapper.bb
index ec728a6..2f5cb2d 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 = "296395c1667d7554532585de41cdeba774834bb9"
+SRCREV = "8f3017340d32ba0cb89a4370aede58ff8e60dbce"
 
 S = "${WORKDIR}/git"