ASoC: topology: fix info callback for TLV byte control

topology core used wrong callback for TLV bytes control, it should be
snd_soc_bytes_info_ext and not snd_soc_bytes_info

Signed-off-by: Omair M Abdullah <omair.m.abdullah@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>