ALSA: hda/sigmatel: Rewrite to new probe method

Convert the Sigmatel/IDT codec driver to use the new hda_codec_ops
probe.  No functional changes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250709160434.1859-22-tiwai@suse.de

Author: tiwai