radeonsi: fix build because of lack of draw_indirect infrastructure in 10.2
radeonsi: fix order of r600_need_dma_space and r600_context_bo_reloc

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
(cherry picked from commit c8011c1885003b79c9f0c6530e46ae6cb0e69575)
radeonsi: use DRAW_PREAMBLE on CIK

It's the same as setting the 3 regs separately, but shorter, and it also
seems to be required on GFX7.2 and later. This doesn't fix Hawaii.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
(cherry picked from commit 315f3c171d423e13069beb99a6b772726a141865)