disable service files for Updater and Version

Add the service files for Updater and Version manager  only if the
software-update-dbus-interface meson option is disabled. These services
will be replaced by new Software.Manager service.

Tested -
```
> curl -k -H "X-Auth-Token: $token" -H "Content-Type:multipart/form-data" -X POST -F UpdateParameters="{\"Targets\":[\"/redfish/v1/UpdateService/FirmwareInventory/a79d71e4\"],\"@Redfish.OperationApplyTime\":\"OnReset\"};type=application/json" -F "UpdateFile=@obmc-phosphor-image-romulus-20241015174416.static.mtd.tar;type=application/octet-stream" https://${bmc}/redfish/v1/UpdateService/update
{
  "@odata.id": "/redfish/v1/TaskService/Tasks/0",
  "@odata.type": "#Task.v1_4_3.Task",
  "Id": "0",
  "TaskState": "Running",
  "TaskStatus": "OK"
}

> systemctl status xyz.openbmc_project.Software.Manager
* xyz.openbmc_project.Software.Manager.service - Phosphor Software Manager
     Loaded: loaded (/usr/lib/systemd/system/xyz.openbmc_project.Software.Manager.service; enabled; preset: enabled)
     Active: active (running) since Thu 2024-11-14 00:54:43 UTC; 2min 8s ago
    Process: 272 ExecStartPre=/bin/sh -c mkdir -p /tmp/images (code=exited, status=0/SUCCESS)
   Main PID: 290 (phosphor-softwa)
        CPU: 995ms
     CGroup: /system.slice/xyz.openbmc_project.Software.Manager.service
             `-290 /usr/bin/phosphor-software-manager

Nov 14 00:54:11 romulus systemd[1]: Starting Phosphor Software Manager...
Nov 14 00:54:22 romulus phosphor-software-manager[290]: Creating Software Manager
Nov 14 00:54:43 romulus systemd[1]: Started Phosphor Software Manager.

> systemctl status  xyz.openbmc_project.Software.Version.service
* xyz.openbmc_project.Software.Version.service - Phosphor Version Software Manager
     Loaded: loaded (/usr/lib/systemd/system/xyz.openbmc_project.Software.Version.service; enabled; preset: enabled)
     Active: active (running) since Thu 2024-11-14 01:35:19 UTC; 38s ago
    Process: 345 ExecStartPre=/bin/sh -c mkdir -p /tmp/images (code=exited, status=0/SUCCESS)
   Main PID: 350 (phosphor-versio)
        CPU: 391ms
     CGroup: /system.slice/xyz.openbmc_project.Software.Version.service
             `-350 /usr/bin/phosphor-version-software-manager

Nov 14 01:35:10 romulus systemd[1]: Starting Phosphor Version Software Manager...
Nov 14 01:35:19 romulus systemd[1]: Started Phosphor Version Software Manager.
> systemctl status xyz.openbmc_project.Software.BMC.Updater.service
* xyz.openbmc_project.Software.BMC.Updater.service - OpenBMC Software Update Manager
     Loaded: loaded (/usr/lib/systemd/system/xyz.openbmc_project.Software.BMC.Updater.service; enabled; preset: enabled)
    Drop-In: /usr/lib/systemd/system/xyz.openbmc_project.Software.BMC.Updater.service.d
             `-software-bmc-updater.conf
     Active: active (running) since Thu 2024-11-14 01:35:00 UTC; 1min 20s ago
   Main PID: 271 (phosphor-image-)
        CPU: 825ms
     CGroup: /system.slice/xyz.openbmc_project.Software.BMC.Updater.service
             `-271 /usr/bin/phosphor-image-updater

Nov 14 01:34:42 romulus systemd[1]: Starting OpenBMC Software Update Manager...

> systemctl status xyz.openbmc_project.Software.Manager.service
Unit xyz.openbmc_project.Software.Manager.service could not be found.
```

Change-Id: I67b40d18fce6e5a67d6fad9a5e3c7a0c74cd11aa
Signed-off-by: Jagpal Singh Gill <paligill@gmail.com>
diff --git a/meson.build b/meson.build
index 3158f5f..b697e40 100644
--- a/meson.build
+++ b/meson.build
@@ -148,10 +148,8 @@
     'reboot-guard-enable.service.in',
     'force-reboot.service.in',
     'usr-local.mount.in',
-    'xyz.openbmc_project.Software.BMC.Updater.service.in',
     'xyz.openbmc_project.Software.Download.service.in',
-    'xyz.openbmc_project.Software.Sync.service.in',
-    'xyz.openbmc_project.Software.Version.service.in'
+    'xyz.openbmc_project.Software.Sync.service.in'
 ]
 
 image_updater_sources = files(
@@ -266,6 +264,11 @@
     unit_files += [
         'xyz.openbmc_project.Software.Manager.service.in'
     ]
+else
+   unit_files += [
+        'xyz.openbmc_project.Software.BMC.Updater.service.in',
+        'xyz.openbmc_project.Software.Version.service.in'
+   ]
 endif
 
 executable(