drm/amdgpu: add vcpu_bo cpu address for vce

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h

@@ -33,6 +33,7 @@
 struct amdgpu_vce {
 	struct amdgpu_bo	*vcpu_bo;
 	uint64_t		gpu_addr;
+	void			*cpu_addr;
 	unsigned		fw_version;
 	unsigned		fb_version;
 	atomic_t		handles[AMDGPU_MAX_VCE_HANDLES];