meta-zaius: Build openpower-occ-control iff MACHINE=zaius

Change RDEPENDS for openpower-occ-control to override syntax predicated
on "zaius" (which is added by MACHINE_OVERRIDES).

Change-Id: Iaaae449bc55d129b7102052f2440a6f78d12bcd1
Signed-off-by: Xo Wang <xow@google.com>
diff --git a/meta-ingrasys/meta-zaius/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend b/meta-ingrasys/meta-zaius/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend
index 09b8cc6..8b22432 100644
--- a/meta-ingrasys/meta-zaius/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend
+++ b/meta-ingrasys/meta-zaius/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend
@@ -1,2 +1,2 @@
 # Support OCC pass through and general occ control
-RDEPENDS_${PN}-inventory += "openpower-occ-control"
+RDEPENDS_${PN}-inventory_append_zaius = " openpower-occ-control"