of: Use of_property_present() helper

Use of_property_present() instead of of_get_property/of_find_property()
in places where we just need to test presence of a property.

Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Tested-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/all/20230215215547.691573-2-robh@kernel.org/


Signed-off-by: Rob Herring <robh@kernel.org>