mboxd: Enable virtual pnor based on virtual pnor feature

Enable the virtual pnor if the virtual pnor distro feature
is enabled instead if ubi is enabled. This allows for systems
to choose virtual pnor without having ubi.

The ubi include file already includes the virtual pnor include
file that adds the virtual pnor feature.

Change-Id: I190f1a864d6b41584ba747396192a174f4fc5df2
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/recipes-phosphor/mboxd/mboxd_git.bb b/recipes-phosphor/mboxd/mboxd_git.bb
index 13264a7..2b8d806 100644
--- a/recipes-phosphor/mboxd/mboxd_git.bb
+++ b/recipes-phosphor/mboxd/mboxd_git.bb
@@ -39,6 +39,6 @@
 SYSTEMD_SERVICE_${PN} += "mboxd-reload@.service"
 SYSTEMD_LINK_${PN} += "${@compose_list(d, 'FMT', 'OBMC_HOST_INSTANCES')}"
 
-# Enable virtual-pnor by DISTRO_FEATURE openpower-ubi-fs.
-PACKAGECONFIG_append_df-openpower-ubi-fs = "virtual-pnor"
+# Enable virtual-pnor by DISTRO_FEATURE openpower-virtual-pnor.
+PACKAGECONFIG_append_df-openpower-virtual-pnor = " virtual-pnor"
 PACKAGECONFIG[virtual-pnor] = "--enable-virtual-pnor,--disable-virtual-pnor"