meta-phosphor: prep for new override syntax

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I588025b614416c43aa2d053765ab53bacf890cb5
diff --git a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-config.bb b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-config.bb
index 2d8b491..24c4941 100644
--- a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-config.bb
+++ b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-config.bb
@@ -17,7 +17,7 @@
     file://cs_privilege_levels.json \
     "
 
-FILES_${PN} = " \
+FILES:${PN} = " \
     ${datadir}/ipmi-providers/cipher_list.json \
     ${datadir}/ipmi-providers/dcmi_cap.json \
     ${datadir}/ipmi-providers/dcmi_sensors.json \