Bump rest, mapper and rest-dbus versions

Picking up support for pyphosphor and associations.
diff --git a/common/recipes-phosphor/dbus/obmc-mapper.bb b/common/recipes-phosphor/dbus/obmc-mapper.bb
index ab6dc98..5b59290 100644
--- a/common/recipes-phosphor/dbus/obmc-mapper.bb
+++ b/common/recipes-phosphor/dbus/obmc-mapper.bb
@@ -18,6 +18,6 @@
         "
 SRC_URI += "git://github.com/openbmc/phosphor-objmgr"
 
-SRCREV = "956dd44fe5c8377ec90cef393f65033d59e082b0"
+SRCREV = "a2c0d00e47ec082b8bb8c96629a0a677616e49fe"
 
 S = "${WORKDIR}/git"
diff --git a/common/recipes-phosphor/dbus/obmc-rest.bb b/common/recipes-phosphor/dbus/obmc-rest.bb
index 944199f..af69578 100644
--- a/common/recipes-phosphor/dbus/obmc-rest.bb
+++ b/common/recipes-phosphor/dbus/obmc-rest.bb
@@ -17,9 +17,10 @@
         python-rocket \
         python-bottle \
         python-spwd \
+        pyphosphor \
         "
 SRC_URI += "git://github.com/openbmc/phosphor-rest-server"
 
-SRCREV = "fe90e0c579edbc19699e5aa7abbe4dd29b4dd112"
+SRCREV = "b41507f3b9c9a79ccd0ef6f48ac839b306a604b7"
 
 S = "${WORKDIR}/git"
diff --git a/common/recipes-phosphor/rest-dbus/rest-dbus.bb b/common/recipes-phosphor/rest-dbus/rest-dbus.bb
index 1dfe027..bf25cae 100644
--- a/common/recipes-phosphor/rest-dbus/rest-dbus.bb
+++ b/common/recipes-phosphor/rest-dbus/rest-dbus.bb
@@ -21,6 +21,6 @@
         file://rest-dbus.service \
         "
 
-SRCREV = "b10a57e2f34e94b13697328cc22f876f738feb0e"
+SRCREV = "c693ba1126dcb493058d4ebeb4604b71e3bb3f08"
 
 S = "${WORKDIR}/git"