rocFFT API Support

#	API Name	Variants
1	rocfft_setup	C binding
2	rocfft_cleanup	C binding
3	rocfft_plan_create	C binding, rank_0, rank_1
4	rocfft_execute	C binding
5	rocfft_plan_destroy	C binding
6	rocfft_plan_description_set_scale_float	C binding
7	rocfft_plan_description_set_scale_double	C binding
8	rocfft_plan_description_set_data_layout	C binding, rank_0, rank_1
9	rocfft_get_version_string	C binding
10	rocfft_plan_description_set_devices	C binding
11	rocfft_plan_get_work_buffer_size	C binding
12	rocfft_plan_get_print	C binding
13	rocfft_plan_description_create	C binding
14	rocfft_plan_description_destroy	C binding
15	rocfft_execution_info_create	C binding
16	rocfft_execution_info_destroy	C binding
17	rocfft_execution_info_set_work_buffer	C binding
18	rocfft_execution_info_set_mode	C binding
19	rocfft_execution_info_set_stream	C binding
20	rocfft_execution_info_set_load_callback	C binding
21	rocfft_execution_info_set_store_callback	C binding
22	rocfft_execution_info_get_events	C binding
23	rocfft_cache_serialize	C binding
24	rocfft_cache_buffer_free	C binding
25	rocfft_cache_deserialize	C binding