[ALSA] Add description of sc6000 driver

Added the description of the new sc6000 driver to ALSA-Configuration.txt.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@suse.cz>

Documentation/sound/alsa/ALSA-Configuration.txt

@@ -1671,6 +1671,21 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
     
     The power-management is supported.
 
+  Module snd-sc6000
+  -----------------
+
+    Module for Gallant SC-6000 soundcard.
+
+    port	- Port # (0x220 or 0x240)
+    mss_port	- MSS Port # (0x530 or 0xe80)
+    irq		- IRQ # (5,7,9,10,11)
+    mpu_irq	- MPU-401 IRQ # (ditto)
+    dma		- DMA # (1,3,0)
+
+    This module supports multiple cards.
+
+    This card is also known as Audio Excel DSP 16 or Zoltrix AV302.
+
   Module snd-sgalaxy
   ------------------