ac: add radeon_info::tcc_harvested

Cc: 19.2 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
(cherry picked from commit 8cbe8344)
Conflicts resolved by Dylan Baker

Conflicts:
	src/amd/common/ac_gpu_info.h