meson: fix busname

The wrong busname was used in the meson port.

Tested by copying binary to a witherspoon system and manually verifying
the correct busname is claimed using 'busctl'.

Change-Id: I23a04c7564ecbaaeeafe2b3d2aa6a846b8fefebd
Fixes: a0fa15bbb1c8f395222b66b5072729ff41fb6ee4
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meson.build b/meson.build
index 85911b4..af82637 100644
--- a/meson.build
+++ b/meson.build
@@ -45,7 +45,7 @@
 subs.set('ACTIVE_PNOR_MAX_ALLOWED', 2)
 subs.set_quoted('ACTIVE_REV_ASSOCIATION', 'software_version')
 subs.set_quoted('ASSOCIATIONS_INTERFACE', 'xyz.openbmc_project.Association.Definitions')
-subs.set_quoted('BUSNAME_UPDATER', 'xyz.openbmc_project.Software.Host.Updater')
+subs.set_quoted('BUSNAME_UPDATER', 'org.open_power.Software.Host.Updater')
 subs.set_quoted('CHASSIS_STATE_OBJ', 'xyz.openbmc_project.State.Chassis')
 subs.set_quoted('CHASSIS_STATE_OFF', 'xyz.openbmc_project.State.Chassis.PowerState.Off')
 subs.set_quoted('CHASSIS_STATE_PATH', '/xyz/openbmc_project/state/chassis0')