firewire: core: Fix spelling mistakes in tracepoint messages

There are two spelling mistakes in the tracepoint message text. Fix them.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240627170847.125531-1-colin.i.king@gmail.com


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