We have (historically) different approaches how we identify the type
of a given fwnode. Let's standardize them across the library code.
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NBartosz Golaszewski <bgolaszewski@baylibre.com>