Add recipes for Witherspoon VCS workaround

Create vcs-workaround machine feature p9.inc
Add new recipe vcs-pre-post.bb
Add new recipe p9-vcs-workaround.bb
Add new recipe start_host.bb
Create preferred providers
Create host control machine/distro/image feature
Add dependencies

Partially resolves openbmc/openbmc#647

Change-Id: I285cafc81afda20977fdf360ad8ad34d15e38685
Signed-off-by: Sergey Solomin <sergey.solomin@us.ibm.com>
diff --git a/meta-openbmc-machines/meta-openpower/conf/machine/include/openpower.inc b/meta-openbmc-machines/meta-openpower/conf/machine/include/openpower.inc
index c333784..9fc843f 100644
--- a/meta-openbmc-machines/meta-openpower/conf/machine/include/openpower.inc
+++ b/meta-openbmc-machines/meta-openpower/conf/machine/include/openpower.inc
@@ -4,6 +4,7 @@
         obmc-phosphor-sensor-mgmt \
         obmc-phosphor-flash-mgmt \
         obmc-host-ipmi \
+        obmc-host-ctl \
         openpower-pflash \
         "
 
@@ -15,4 +16,5 @@
 PREFERRED_PROVIDER_virtual/obmc-flash-mgmt = "packagegroup-op-apps"
 PREFERRED_PROVIDER_virtual/obmc-sensor-mgmt = "packagegroup-op-apps"
 PREFERRED_PROVIDER_virtual/obmc-system-mgmt = "packagegroup-op-apps"
+PREFERRED_PROVIDER_virtual/obmc-host-ctl ?= "obmc-op-control-host"
 PREFERRED_PROVIDER_virtual/obmc-inventory-data ?= "${VIRTUAL-RUNTIME_skeleton_workbook}"