mips: loongson3_defconfig: Update HD-audio configs

Since the reorganization of HD-audio drivers, Realtek driver has been
split.  Update to the new Kconfigs to catch up.

Fixes: aeeb85f2 ("ALSA: hda: Split Realtek HD-audio codec driver")
Link: https://patch.msgid.link/20250715075237.28476-3-tiwai@suse.de


Signed-off-by: Takashi Iwai <tiwai@suse.de>