Add service to trigger OpenFSI driver to do a scan

After PGOOD comes up, the FSI driver needs to do a
scan to find the FSI devices.

Change-Id: I1b4eeec191408a36b37d9044279bdf067deb2b15
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/conf/machine/include/p9.inc b/conf/machine/include/p9.inc
index 936576d..6fa9b7b 100644
--- a/conf/machine/include/p9.inc
+++ b/conf/machine/include/p9.inc
@@ -1,2 +1,2 @@
-OBMC_MACHINE_FEATURES += 'p9-vcs-workaround'
+OBMC_MACHINE_FEATURES += 'p9-vcs-workaround obmc-fsi-scan'
 PREFERRED_PROVIDER_virtual/obmc-host-ctl = "p9-host-start"