clk: Fix slab-out-of-bounds error in devm_clk_release()

Problem can be reproduced by unloading snd_soc_simple_card, because in
devm_get_clk_from_child() devres data is allocated as `struct clk`, but
devm_clk_release() expects devres data to be `struct devm_clk_state`.

KASAN report:
 ==================================================================
 BUG: KASAN: slab-out-of-bounds in devm_clk_release+0x20/0x54
 Read of size 8 at addr ffffff800ee09688 by task (udev-worker)/287

 Call trace:
  dump_backtrace+0xe8/0x11c
  show_stack+0x1c/0x30
  dump_stack_lvl+0x60/0x78
  print_report+0x150/0x450
  kasan_report+0xa8/0xf0
  __asan_load8+0x78/0xa0
  devm_clk_release+0x20/0x54
  release_nodes+0x84/0x120
  devres_release_all+0x144/0x210
  device_unbind_cleanup+0x1c/0xac
  really_probe+0x2f0/0x5b0
  __driver_probe_device+0xc0/0x1f0
  driver_probe_device+0x68/0x120
  __driver_attach+0x140/0x294
  bus_for_each_dev+0xec/0x160
  driver_attach+0x38/0x44
  bus_add_driver+0x24c/0x300
  driver_register+0xf0/0x210
  __plat...