ipmi: fix up package dependencies

hardware providers recommend host-ipmid
host-ipmid recommends plugins
plugins don't recommend anything

Change-Id: Ia10c1b1d2380dae2b5e326109e3f20779724cba8
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/common/recipes-phosphor/host-ipmid/host-ipmi-hw-example.bb b/common/recipes-phosphor/host-ipmid/host-ipmi-hw-example.bb
index 0698372..680f738 100644
--- a/common/recipes-phosphor/host-ipmid/host-ipmi-hw-example.bb
+++ b/common/recipes-phosphor/host-ipmid/host-ipmi-hw-example.bb
@@ -3,6 +3,7 @@
 PR = "r1"
 
 RDEPENDS_${PN} += "python-subprocess python-dbus python-pygobject"
+RRECOMMENDS_${PN} += "host-ipmid"
 
 inherit skeleton-python