drm/nouveau/flcn/qmgr: rename remaining nvkm_msgqueue bits to nvkm_falcon_qmgr

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

drm/nouveau/flcn/qmgr: support syncronous command submission from common code

Functions implementing FW commands had to implement this themselves, let's
move that to common code and plumb the return code from callbacks through.

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

drm/nouveau/flcn/qmgr: move sequence tracking from nvkm_msgqueue to nvkm_falcon_qmgr

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

drm/nouveau/flcn/qmgr: explicitly create queue manager from subdevs

Code to interface with LS firmwares is being moved to the subdevs where it
belongs, rather than living in the common falcon code.

This is an incremental step towards that goal.

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

drm/nouveau/flcn: split msgqueue into multiple pieces

To make things clearer while modifying the interfaces, split msgqueue into
Queue Manager, Command Queue, and Message Queue.

There should be no code changes here, these will be done incrementally.

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