Use acpi_fwnode_handle() instead of dereferencing an fwnode handle directly,
which is a better coding practice.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220712153519.35692-1-andriy.shevchenko@linux.intel.comSigned-off-by: Takashi Iwai <tiwai@suse.de>