mctp-astlpc-demux: Explicitly construct a fileio astlpc instance

mctp-astlpc-demux is run on BMCs in userspace, so fileio is what we
require.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Change-Id: Iecd8df8901c14ea5924cdc1671b880b5f4824c6c
diff --git a/utils/mctp-astlpc-daemon.c b/utils/mctp-astlpc-daemon.c
index b07c80a..f782d4c 100644
--- a/utils/mctp-astlpc-daemon.c
+++ b/utils/mctp-astlpc-daemon.c
@@ -58,7 +58,7 @@
 	mctp = mctp_init();
 	assert(mctp);
 
-	astlpc = mctp_astlpc_init();
+	astlpc = mctp_astlpc_init_fileio();
 	assert(astlpc);
 
 	mctp_astlpc_register_bus(astlpc, mctp, local_eid);