accel/amdxdna: Add include interrupt.h to amdxdna_mailbox.c

For amdxdna_mailbox.c, linux/interrupt.h is indirectly included by
trace/events/amdxdna.h. So if TRACING is disabled, driver compiling will
fail.

Fixes: b87f920b ("accel/amdxdna: Support hardware mailbox")
Reported-by: Mike Lothian <mike@fireburn.co.uk>
Closes: https://lore.kernel.org/dri-devel/CAHbf0-E+Z2O7rW-x+-EKNQ-nLbf=_ohaNzXxE7WD2cj9kFJERQ@mail.gmail.com/


Signed-off-by: Mike Lothian <mike@fireburn.co.uk>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241213163856.1472207-1-lizhi.hou@amd.com