drm/i915: Add some newlines to intel_engine_dump() headers

The headers should be on a separate line for consistency, so add the
missing trailing newline in a few intel_engine_dump() callers.
Reported-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180205100618.11001-1-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/i915_gem.c

@@ -3644,7 +3644,7 @@ static int wait_for_engines(struct drm_i915_private *i915)
 
 			for_each_engine(engine, i915, id)
 				intel_engine_dump(engine, &p,
-						  "%s", engine->name);
+						  "%s\n", engine->name);
 		}
 
 		i915_gem_set_wedged(i915);

drivers/gpu/drm/i915/intel_hangcheck.c

@@ -359,7 +359,7 @@ static void hangcheck_accumulate_sample(struct intel_engine_cs *engine,
 	case ENGINE_DEAD:
 		if (drm_debug & DRM_UT_DRIVER) {
 			struct drm_printer p = drm_debug_printer("hangcheck");
-			intel_engine_dump(engine, &p, "%s", engine->name);
+			intel_engine_dump(engine, &p, "%s\n", engine->name);
 		}
 		break;