snd_ctl_remove() has to be called with card->controls_rwsem held (when
called after the card instantiation).  This patch add the missing
rwsem calls around it.

Fixes: d13bd412 ("ALSA: hda - Manage kcontrol lists")
Link: https://lore.kernel.org/r/20211116071314.15065-3-tiwai@suse.deSigned-off-by: Takashi Iwai <tiwai@suse.de>