ALSA: oxygen: add Claro halo support

Add support for the HT-Omega Claro halo (XT).

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index e0e54a2..0cca842 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -1647,7 +1647,8 @@
     * AuzenTech X-Meridian
     * Bgears b-Enspirer
     * Club3D Theatron DTS
-    * HT-Omega Claro
+    * HT-Omega Claro (plus)
+    * HT-Omega Claro halo (XT)
     * Razer Barracuda AC-1
     * Sondigo Inferno