ASoC: SOF: Intel: hda: remove duplicated include from hda.c

Remove duplicated include.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/intel/hda.c

@@ -19,7 +19,6 @@
 #include <sound/hda_register.h>
 
 #include <linux/module.h>
-#include <sound/hdaudio_ext.h>
 #include <sound/sof.h>
 #include <sound/sof/xtensa.h>
 #include "../ops.h"