firmware: arm_scmi: Use proper iter_response_bound_cleanup() name

firmware: arm_scmi: Use proper iter_response_bound_cleanup() name

The documentation speaks of the "iter_response_bound_cleanup()" protocol
helper, while the actual helper is called "iter_response_cleanup()".
Settle on the former name, because the helper is only needed when using
bound-iterators.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20260508153300.2224715-13-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>