meta-quanta: gbs: add the virtual provider for gbs-bios-update

Signed-off-by: George Hung <george.hung@quantatw.com>
Change-Id: I032031d25b0755611e870c779792844ef87d9e57
diff --git a/meta-quanta/meta-gbs/conf/machine/gbs.conf b/meta-quanta/meta-gbs/conf/machine/gbs.conf
index 6814e02..6f54e38 100644
--- a/meta-quanta/meta-gbs/conf/machine/gbs.conf
+++ b/meta-quanta/meta-gbs/conf/machine/gbs.conf
@@ -38,6 +38,7 @@
 PREFERRED_PROVIDER_virtual/obmc-flash-mgmt = "packagegroup-gbs-apps"
 PREFERRED_PROVIDER_virtual/obmc-host-ipmi-hw = "gbmc-kcs-config"
 PREFERRED_PROVIDER_virtual/phosphor-led-manager-config-native = "gbs-led-manager-config-native"
+PREFERRED_PROVIDER_virtual/bios-update = "gbs-bios-update"
 
 # Remove unneeded binaries from image
 IMAGE_FEATURES_remove = "obmc-fan-control"