ASoC: Intel: atom: fix kernel-doc

ASoC: Intel: atom: fix kernel-doc

v5.12-rc1 flags new warnings with make W=1, fix missing or broken
function descriptors.

sound/soc/intel/atom/sst/sst_loader.c:85: warning: expecting prototype
for sst_start_merrifield(). Prototype was for sst_start_mrfld()
instead

sound/soc/intel/atom/sst/sst_acpi.c:339: warning: expecting prototype
for intel_sst_remove(). Prototype was for sst_acpi_remove() instead

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210301165349.114952-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>