microblaze: Use of_property_present() for non-boolean properties

The use of of_property_read_bool() for non-boolean properties is
deprecated in favor of of_property_present() when testing for property
presence.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20241231161424.214934-1-robh@kernel.org


Signed-off-by: Michal Simek <michal.simek@amd.com>