[ALSA] highlanderize motherboard AC97/HDA drivers

Remove the code for supporting eight cards from the integrated
controller drivers because There Can Be Only One controller of
each type per mainboard.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

Documentation/sound/alsa/ALSA-Configuration.txt

@@ -206,7 +206,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
 			  See "AC97 Quirk Option" section below.
     spdif_aclink	- S/PDIF transfer over AC-link (default = 1)
 
-    This module supports up to 8 cards and autoprobe.
+    This module supports one card and autoprobe.
 
     ATI IXP has two different methods to control SPDIF output.  One is
     over AC-link and another is over the "direct" SPDIF output.  The
@@ -218,7 +218,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
 
     Module for ATI IXP 150/200/250 AC97 modem controllers.
 
-    Module supports up to 8 cards.
+    This module supports one card and autoprobe.
 
     Note: The default index value of this module is -2, i.e. the first
           slot is excluded.
@@ -637,7 +637,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
     model	- force the model name
     position_fix - Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size)
 
-    Module supports up to 8 cards.
+    This module supports one card and autoprobe.
 
     Each codec may have a model table for different configurations.
     If your machine isn't listed there, the default (usually minimal)
@@ -815,7 +815,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
 		    semaphores (e.g. on some ASUS laptops)
 		    (default off)
 
-    Module supports autoprobe and multiple bus-master chips (max 8).
+    This module supports one chip and autoprobe.
 
     Note: the latest driver supports auto-detection of chip clock.
     if you still encounter too fast playback, specify the clock
@@ -834,7 +834,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
 
     ac97_clock	  - AC'97 codec clock base (0 = auto-detect)
 
-    This module supports up to 8 cards and autoprobe.
+    This module supports one card and autoprobe.
 
     Note: The default index value of this module is -2, i.e. the first
           slot is excluded.
@@ -1314,7 +1314,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
     ac97_quirk  - AC'97 workaround for strange hardware
 		  See "AC97 Quirk Option" section below.
 
-    Module supports autoprobe and multiple bus-master chips (max 8).
+    This module supports one chip and autoprobe.
 
     Note: on some SMP motherboards like MSI 694D the interrupts might
           not be generated properly.  In such a case, please try to
@@ -1356,7 +1356,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
 
     ac97_clock	- AC'97 codec clock base (default 48000Hz)
 
-    Module supports up to 8 cards.
+    This module supports one card and autoprobe.
 
     Note: The default index value of this module is -2, i.e. the first
           slot is excluded.