gpu: nvgpu: move ce code to common/ce and hal/ce

Merged gk20a_ce_delete_context and gk20a_ce_delete_context_priv.

Renamed
- gk20a_init_ce_support -> nvgpu_ce_init_support
- gk20a_ce_destroy -> nvgpu_ce_destroy
- gk20a_ce_suspend -> nvgpu_ce_suspend
- gk20a_ce_create_context -> nvgpu_ce_create_context
- gk20a_ce_delete_context -> nvgpu_ce_delete_context
- gk20a_ce_execute_ops -> nvgpu_ce_execute_ops
- gk20a_ce_prepare_submit -> nvgpu_ce_prepare_submit
- gk20a_ce_put_fences -> nvgpu_ce_put_fences
- gk20a_ce_delete_gpu_context -> nvgpu_ce_delete_gpu_context
- gk20a_ce_get_method_size -> nvgpu_ce_get_method_size
- gk20a_gpu_ctx -> nvgpu_ce_gpu_ctx
- gk20a_gpu_ctx_from_list -> nvgpu_ce_gpu_ctx_from_list
- gk20a_ce_app -> nvgpu_ce_app
- gk20a_ce_debugfs_init -> nvgpu_ce_debugfs_init
- gk20a_get_valid_launch_flags -> nvgpu_ce_get_valid_launch_flags
- gk20a_ce2_isr -> gk20a_ce2_stall_isr
- gp10b_ce_isr -> gp10b_ce_stall_isr
- gv11b_ce_isr -> gv11b_ce_stall_isr

Inlined
- ce*_nonblockpipe_isr
- ce*_blockpipe_isr
- ce*_launcherr_isr

Added ce_priv.h for ce private definitions.

Moved files to common/ce and hal/fifo/ce
- ce2.c -> common/ce2/ce.c
- ce2_gk20a.c -> hal/ce/ce2_gk20a.c
- ce2_gk20a.h -> hal/ce/ce2_gk20a.h
- ce_gp10b.c -> hal/ce/ce_gp10b.c
- ce_gp10b.h -> hal/ce/ce_gp10b.h
- ce_gv11b.c -> hal/ce/ce_gv11b.c
- ce_gv11b.h -> hal/ce/ce_gv11b.h

Updated makefiles and #include directives

Jira NVGPU-1992

Change-Id: Ia6064bf51b7a254085be43a112d056cb6fb6c3b2
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2093503
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

drivers/gpu/nvgpu/os/linux/debug.c

@@ -415,7 +415,7 @@ void gk20a_debug_init(struct gk20a *g, const char *debugfs_symlink)
 #ifdef CONFIG_NVGPU_SUPPORT_CDE
 	gk20a_cde_debugfs_init(g);
 #endif
-	gk20a_ce_debugfs_init(g);
+	nvgpu_ce_debugfs_init(g);
 	nvgpu_alloc_debugfs_init(g);
 	nvgpu_hal_debugfs_init(g);
 	gk20a_fifo_debugfs_init(g);