Between the upgrade from 6.12 to 6.18, the airoha-cpufreq driver
now has a `-Wincompatible-pointer-types` error while building due
to the `802-OPP-Provide-old-opp-to-config_clks-on-_set_opp` patch.
This patch revises the driver with the proper signature.
Signed-off-by: Kenneth Kasilag <kenneth@kasilag.me>
Link: https://github.com/openwrt/openwrt/pull/21019
Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>