Adding the cpufreq_quick_get_max function for amdkfd support as it's called by [[ https://github.com/torvalds/linux/blob/ad8d485e665829ecbf3c97b22ce251f8ff5f8037/drivers/gpu/drm/amd/amdkfd/kfd_topology.c#L547 | kfd_topology.c ]]
Sponsored By: The FreeBSD Foundation