staging: axis-fifo: request resources using managed functions

Request device's resources (memory, interrupt...) using managed
function.

Signed-off-by: Quentin Deslandes <quentin.deslandes@itdev.co.uk>
Link: https://lore.kernel.org/r/20191101214232.16960-3-quentin.deslandes@itdev.co.uk


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>