drm/tegra: Use DRM_DEBUG_DRIVER for driver messages

The driver-specific messages should use the DRM_UT_DRIVER category so
that they can be properly filtered.
Signed-off-by: Thierry Reding <treding@nvidia.com>

drivers/gpu/drm/tegra/drm.c

@@ -163,9 +163,9 @@ static int tegra_drm_load(struct drm_device *drm, unsigned long flags)
 		drm_mm_init(&tegra->mm, gem_start, gem_end - gem_start + 1);
 		mutex_init(&tegra->mm_lock);
 
-		DRM_DEBUG("IOMMU apertures:\n");
-		DRM_DEBUG("  GEM: %#llx-%#llx\n", gem_start, gem_end);
-		DRM_DEBUG("  Carveout: %#llx-%#llx\n", carveout_start,
+		DRM_DEBUG_DRIVER("IOMMU apertures:\n");
+		DRM_DEBUG_DRIVER("  GEM: %#llx-%#llx\n", gem_start, gem_end);
+		DRM_DEBUG_DRIVER("  Carveout: %#llx-%#llx\n", carveout_start,
 				 carveout_end);
 	}