linux-imx

drivers/of: Make of_io_request_and_map() "name" argument optional

These days of_address_to_resource() puts a reasonable name
in the resource struct, thus make the "name" argument an
optional override.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Rob Herring <robh@kernel.org>