phosphor-base: All images should use dbus-broker

All of our images use systemd for booting, so we should deploy
dbus-broker everywhere.

Change-Id: I05b5f66ae7b014c30505f424a45b1a69a36300e7
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/conf/distro/include/phosphor-base.inc b/conf/distro/include/phosphor-base.inc
index b6f1551..9351afa 100644
--- a/conf/distro/include/phosphor-base.inc
+++ b/conf/distro/include/phosphor-base.inc
@@ -135,6 +135,8 @@
 
 IMAGE_CLASSES_append = " image_types_phosphor"
 
+IMAGE_INSTALL_append = " dbus-broker"
+
 # OpenBMC uses a couple recipes from meta-virtualization
 # but we do not actually want any virtualization support
 # enabled on a BMC distribution.  Silence the emitted