drm/nvc0-/gr: fiddle some magic around strand init

Fixes HUB_INIT timeout on GK110/GK208 when not using NVIDIA's ucode.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --cc drivers/gpu/drm/nouveau/core/engine/graph/fuc/hub.fuc
Simple merge

diff --cc drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnv108.fuc5.h
Simple merge

diff --cc drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnvc0.fuc.h
Simple merge

diff --cc drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnvd7.fuc.h
Simple merge

diff --cc drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnve0.fuc.h
Simple merge

diff --cc drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnvf0.fuc.h
Simple merge

diff --cc drivers/gpu/drm/nouveau/core/engine/graph/fuc/macros.fuc
Simple merge