firewire: ohci: use devres for requested IRQ

The 1394 OHCI controller register handler to single interrupt number.

This commit uses managed device resource to maintain the lifetime of
requested IRQ.

Link: https://lore.kernel.org/r/20230604054451.161076-6-o-takashi@sakamocchi.jp


Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>