meta-ibm: Update local.conf.sample

Update with the latest version from upstream.

Change-Id: I1a7da37b0457dab873afaf6445aca360d54b47ca
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/meta-ibm/recipes-phosphor/dbus/snmp-policy.bb b/meta-ibm/recipes-phosphor/dbus/snmp-policy.bb
index 94fce40..1528487 100644
--- a/meta-ibm/recipes-phosphor/dbus/snmp-policy.bb
+++ b/meta-ibm/recipes-phosphor/dbus/snmp-policy.bb
@@ -14,4 +14,4 @@
         install -D ${WORKDIR}/snmp-config.yaml ${D}${config_dir}/snmp-config.yaml
 }
 
-FILES_${PN} += "${config_dir}/snmp-config.yaml"
+FILES:${PN} += "${config_dir}/snmp-config.yaml"