ELH is a derivative of TGL, so it should be exposed in tgl.c for
consistency.

No functional change.
Reviewed-by: NRander Wang <rander.wang@intel.com>
Reviewed-by: NKai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: NPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210322163728.16616-9-pierre-louis.bossart@linux.intel.comSigned-off-by: NMark Brown <broonie@kernel.org>