obmc-mapper.bb: bump version

Change-Id: Ie0a85472eb68ab2b0a13b6621a0cec396d1664e6
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/common/recipes-phosphor/dbus/obmc-mapper.bb b/common/recipes-phosphor/dbus/obmc-mapper.bb
index 62e40b4..ea38559 100644
--- a/common/recipes-phosphor/dbus/obmc-mapper.bb
+++ b/common/recipes-phosphor/dbus/obmc-mapper.bb
@@ -19,7 +19,7 @@
         "
 SRC_URI += "git://github.com/openbmc/phosphor-objmgr"
 
-SRCREV = "22ff24a6e668d00557ef6465f96d664fe33226f3"
+SRCREV = "a6797f83a23778b6f99d1e0f471b908fd01cb7b5"
 
 S = "${WORKDIR}/git"