panvk/csf: Fix a wait-LS operation in finish_cs()

cs_wait_slots() expects a mask, cs_wait_slot() a slot ID.

Fixes: 5544d39f44 ("panvk: Add a CSF backend for panvk_queue/cmd_buffer")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
(cherry picked from commit c3ff3f2405)

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32261>

.pick_status.json

@@ -714,7 +714,7 @@
         "description": "panvk/csf: Fix a wait-LS operation in finish_cs()",
         "nominated": true,
         "nomination_type": 2,
-        "resolution": 0,
+        "resolution": 1,
         "main_sha": null,
         "because_sha": "5544d39f4420da88c53aaf8dd48d86ac92bd0eaa",
         "notes": null

src/panfrost/vulkan/csf/panvk_vX_cmd_buffer.c

@@ -156,7 +156,7 @@ finish_cs(struct panvk_cmd_buffer *cmdbuf, uint32_t subqueue)
             /* Overwrite the sync error with the first error we encountered. */
             cs_store32(b, error, debug_sync_addr,
                        offsetof(struct panvk_cs_sync32, error));
-            cs_wait_slots(b, SB_ID(LS), false);
+            cs_wait_slot(b, SB_ID(LS), false);
          }
       }
    }