intel-hda: documentation update

Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Nmalc <av1474@comtv.ru>

qemu-doc.texi

@@ -200,6 +200,8 @@ ENSONIQ AudioPCI ES1370 sound card
 @item
 Intel 82801AA AC97 Audio compatible sound card
 @item
+Intel HD Audio Controller and HDA codec
+@item
 Adlib(OPL2) - Yamaha YM3812 compatible chip
 @item
 Gravis Ultrasound GF1 sound card

qemu-options.hx

@@ -393,6 +393,7 @@ available sound hardware.
 qemu -soundhw sb16,adlib disk.img
 qemu -soundhw es1370 disk.img
 qemu -soundhw ac97 disk.img
+qemu -soundhw hda disk.img
 qemu -soundhw all disk.img
 qemu -soundhw ?
 @end example