dbus-broker: fetch submodules too

dbus-broker depends on a number of submodules.  Make sure to
recursively fetch those as well.

(From meta-openembedded rev: fd23b9c95c4abd182b24ad39f7f4634116c6ea10)

Change-Id: I6c2cb28bb354d28e6ba30cb043fed9b90670f283
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
diff --git a/meta-openembedded/meta-oe/recipes-core/dbus/dbus-broker_git.bb b/meta-openembedded/meta-oe/recipes-core/dbus/dbus-broker_git.bb
index ac2c500..ac0f325 100644
--- a/meta-openembedded/meta-oe/recipes-core/dbus/dbus-broker_git.bb
+++ b/meta-openembedded/meta-oe/recipes-core/dbus/dbus-broker_git.bb
@@ -11,7 +11,7 @@
 PV = "16+git${SRCPV}"
 SRCREV = "fc874afa0992d0c75ec25acb43d344679f0ee7d2"
 
-SRC_URI = "git://github.com/bus1/dbus-broker;protocol=git"
+SRC_URI = "gitsm://github.com/bus1/dbus-broker;protocol=git"
 
 S = "${WORKDIR}/git"