generic: import patch fixing workqueue compilation with gcc-13

generic: import patch fixing workqueue compilation with gcc-13

Already applied in wq/for-6.5 [0].

Fixes errors in the form of:
  kernel/workqueue.c: In function 'get_work_pwq':
  kernel/workqueue.c:705:24: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
    705 |                 return (void *)(data & WORK_STRUCT_WQ_DATA_MASK);
        |                        ^
  kernel/workqueue.c: In function 'get_work_pool':
  kernel/workqueue.c:733:25: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
    733 |                 return ((struct pool_workqueue *)
        |                         ^
  kernel/workqueue.c: In function 'get_work_pool_id':
  kernel/workqueue.c:755:25: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
    755 |                 return ((struct pool_workqueue *)
        |                         ^
  cc1: all warnings being treated as errors

[0] - https://lore.kernel.org/all/ZGmEmkcrfh7QdkIz@slm.duckdns.org/

Fixes: #12687 ("mt7621: kernel 5.15 compile failure with GCC 13")
Signed-off-by: Nick Hainke <vincent@systemli.org>