ASoC: Intel: Skylake: Leave data as is when invoking TLV IPCs

Advancing pointer initially fixed issue for some users but caused
regression for others. Leave data as it to make it easier for end users
to adjust their topology files if needed.

Fixes: a8cd7066

 ("ASoC: Intel: Skylake: Strip T and L from TLV IPCs")
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Tested-by: Lukasz Majczak <lma@semihalf.com>
Link: https://lore.kernel.org/r/20210818075742.1515155-3-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>