meta-yadro: nicole: Remove autotools specific config

We want to use packageconfig options instead of build system specific
ones.

Change-Id: I13002f3d1f62acb882ca713b038316397720bda0
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-yadro/meta-nicole/recipes-phosphor/network/phosphor-network_%.bbappend b/meta-yadro/meta-nicole/recipes-phosphor/network/phosphor-network_%.bbappend
index e71ba71..5be003a 100644
--- a/meta-yadro/meta-nicole/recipes-phosphor/network/phosphor-network_%.bbappend
+++ b/meta-yadro/meta-nicole/recipes-phosphor/network/phosphor-network_%.bbappend
@@ -1,6 +1,6 @@
 FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
 
-EXTRA_OECONF_append = " --enable-sync-mac "
+PACKAGECONFIG_append = " sync-mac"
 SRC_URI_append = " file://config.json "
 FILES_${PN} += "${datadir}/network/*.json"