qa/tasks/ceph_objectstore_tool: Use crimson-objectstore-tool

The crimson-objectstore-tool should be used instead of
ceph-obejctstore-tool once

```
ceph_objectstore_tool:
  crimson_objectstore_tool: true
```

Signed-off-by: Matan Breizman <[email protected]>

Author: Matan-B

qa/tasks/ceph_objectstore_tool.py

@@ -310,7 +310,7 @@ def test_objectstore(ctx, config, cli_remote, REP_POOL, REP_NAME, ec=False):
     log.info("Test --op list by generating json for all objects")
 
     if CRIMSON:
-        prefix = ("sudo ceph-objectstore-tool "
+        prefix = ("sudo crimson-objectstore-tool "
                   "--data-path {fpath} "
                   "--device-type {device_t} ").format(fpath=FSPATH, device_t=CRIMSON_DEVICE_TYPE)
     else: