openpower: Include croserver in system packagegroup

It should only be started on developer systems, as it listens on a
network port without further authentication.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Change-Id: Id858a462a3aa52c06d94404391002a8dac155a63
diff --git a/recipes-phosphor/packagegroups/packagegroup-op-apps.bb b/recipes-phosphor/packagegroups/packagegroup-op-apps.bb
index 2832c94..04a3fbb 100644
--- a/recipes-phosphor/packagegroups/packagegroup-op-apps.bb
+++ b/recipes-phosphor/packagegroups/packagegroup-op-apps.bb
@@ -48,4 +48,5 @@
 SUMMARY_${PN}-system = "OpenPOWER System"
 RDEPENDS_${PN}-system = " \
         pdbg \
+        croserver \
         "