meta-inspur: meta-fp5280g2: pldm: force mctp-demux

It isn't clear if fp5280g2 is ready to use the in-kernel MCTP so
force the mctp-demux transport until someone explicitly enables
the in-kernel path.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ief41e807cce7572daa36c2b296111f51baae064e
diff --git a/meta-inspur/meta-fp5280g2/recipes-phosphor/pldm/pldm_%.bbappend b/meta-inspur/meta-fp5280g2/recipes-phosphor/pldm/pldm_%.bbappend
new file mode 100644
index 0000000..5ff1939
--- /dev/null
+++ b/meta-inspur/meta-fp5280g2/recipes-phosphor/pldm/pldm_%.bbappend
@@ -0,0 +1,4 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
+
+# Force the mctp-demux to be used until machine is ready to use in-kernel MCTP
+PACKAGECONFIG = "transport-mctp-demux"