drm/amdkfd: Make kfd_fill_cache_non_crat_info() as static

kfd_fill_cache_non_crat_info() is only used in kfd_topology.c,
so make it as static.

Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>