driver core: platform: Remove platform_device_add_properties()

There are no more users for it. The last place where it's
called is in platform_device_register_full(). Replacing that
call with device_create_managed_software_node() and
removing the function.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20210817102449.39994-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>