driver core: Replace open-coded list_last_entry()

There is a place in the code where open-coded version of list entry accessors
list_last_entry() is used.

Replace that with the standard macro.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200324122023.9649-3-andriy.shevchenko@linux.intel.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>