meta-ibm: Remove references to vcs-workaround

This was a P9 DD1 workaround. These systems are no longer supported and
are not found in the wild, so the workaround has been retired.

All of the p9 systems in the tree exclude the package so this change
should be a noop.

Change-Id: Ic24a49d8df16f4912487a4fa6fa557d64cbf0350
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/conf/machine/mihawk.conf b/conf/machine/mihawk.conf
index a296e79..e5485c3 100644
--- a/conf/machine/mihawk.conf
+++ b/conf/machine/mihawk.conf
@@ -6,7 +6,6 @@
 
 OBMC_POWER_SUPPLY_INSTANCES = "0 1"
 
-PREFERRED_PROVIDER_virtual/p9-vcs-workaround = ''
 PREFERRED_PROVIDER_virtual/openpower-fru-vpd-layout = "mihawk-openpower-fru-vpd-layout-native"
 
 require conf/machine/include/ast2500.inc
diff --git a/conf/machine/witherspoon.conf b/conf/machine/witherspoon.conf
index 20f5159..340d7f7 100644
--- a/conf/machine/witherspoon.conf
+++ b/conf/machine/witherspoon.conf
@@ -6,8 +6,6 @@
 
 OBMC_POWER_SUPPLY_INSTANCES = "0 1"
 
-PREFERRED_PROVIDER_virtual/p9-vcs-workaround = ''
-
 # A machine override for common machine configuration for all of IBM's
 # "Accelerated Computing" class of systems.
 MACHINEOVERRIDES =. "ibm-ac-server:"
diff --git a/meta-romulus/conf/machine/romulus.conf b/meta-romulus/conf/machine/romulus.conf
index 87ac995..1d73ba4 100644
--- a/meta-romulus/conf/machine/romulus.conf
+++ b/meta-romulus/conf/machine/romulus.conf
@@ -2,8 +2,6 @@
 KERNEL_DEVICETREE = "${KMACHINE}-bmc-opp-${MACHINE}.dtb"
 UBOOT_MACHINE = "ast_g5_ncsi_config"
 
-PREFERRED_PROVIDER_virtual/p9-vcs-workaround = ''
-
 require conf/machine/include/ast2500.inc
 require conf/machine/include/obmc-bsp-common.inc
 require conf/machine/include/openpower.inc
diff --git a/meta-romulus/recipes-phosphor/host/p9-host-start.bbappend b/meta-romulus/recipes-phosphor/host/p9-host-start.bbappend
index 278470f..bc7e02e 100644
--- a/meta-romulus/recipes-phosphor/host/p9-host-start.bbappend
+++ b/meta-romulus/recipes-phosphor/host/p9-host-start.bbappend
@@ -1,3 +1,2 @@
 RDEPENDS_${PN}_append_romulus = " avsbus-control"
 RDEPENDS_${PN}_append_romulus = " vrm-control"
-RDEPENDS_${PN}_remove_romulus = "p9-vcs-workaround"
diff --git a/recipes-phosphor/host/p9-host-start.bbappend b/recipes-phosphor/host/p9-host-start.bbappend
index 423a9e4..9ceffea 100644
--- a/recipes-phosphor/host/p9-host-start.bbappend
+++ b/recipes-phosphor/host/p9-host-start.bbappend
@@ -1,9 +1,5 @@
 RDEPENDS_${PN}_append_ibm-ac-server = " avsbus-control"
 RDEPENDS_${PN}_append_witherspoon = " vrm-control"
 RDEPENDS_${PN}_append_ibm-ac-server = " power-workarounds"
-RDEPENDS_${PN}_remove_ibm-ac-server = "p9-vcs-workaround"
 RDEPENDS_${PN}_append_mihawk = " avsbus-control"
 RDEPENDS_${PN}_append_mihawk = " vrm-control"
-RDEPENDS_${PN}_remove_mihawk = "p9-vcs-workaround"
-RDEPENDS_${PN}_remove_rainier = "p9-vcs-workaround"
-