drm/amdgpu: Fix preferred typo

Change "prefered" to "preferred"

Signed-off-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index b6d8be8..9b7b4fc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -65,7 +65,7 @@ struct amdgpu_bo_va {
 
 struct amdgpu_bo {
 	/* Protected by tbo.reserved */
-	u32				prefered_domains;
+	u32				preferred_domains;
 	u32				allowed_domains;
 	struct ttm_place		placements[AMDGPU_GEM_DOMAIN_MAX + 1];
 	struct ttm_placement		placement;