Add amdgpu_amdkfd_arcturus_get_functions stub when
CONFIG_HSA_AMD is undefinded.
Signed-off-by: NJames Zhu <James.Zhu@amd.com>
Reviewed-by: NYong Zhao <Yong.Zhao@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>