mips au1xxx_ide.h: use NULL as firmware-revision wildcard

This updates the DMA whitelist in MIPS specific au1xxx ide
driver to use NULL instead of "ALL" as the wildcard.
Signed-off-by: NJunio C Hamano <junkio@cox.net>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Dave Jones <davej@redhat.com>
Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>

include/asm-mips/mach-au1x00/au1xxx_ide.h

@@ -88,26 +88,26 @@ static const struct drive_list_entry dma_white_list [] = {
 /*
  * Hitachi
  */
-        { "HITACHI_DK14FA-20"    ,       "ALL"           },
-        { "HTS726060M9AT00"      ,       "ALL"           },
+        { "HITACHI_DK14FA-20"    ,       NULL            },
+        { "HTS726060M9AT00"      ,       NULL            },
 /*
  * Maxtor
  */
-        { "Maxtor 6E040L0"      ,       "ALL"           },
-        { "Maxtor 6Y080P0"      ,       "ALL"           },
-        { "Maxtor 6Y160P0"      ,       "ALL"           },
+        { "Maxtor 6E040L0"      ,       NULL            },
+        { "Maxtor 6Y080P0"      ,       NULL            },
+        { "Maxtor 6Y160P0"      ,       NULL            },
 /*
  * Seagate
  */
-        { "ST3120026A"          ,       "ALL"           },
-        { "ST320014A"           ,       "ALL"           },
-        { "ST94011A"            ,       "ALL"           },
-        { "ST340016A"           ,       "ALL"           },
+        { "ST3120026A"          ,       NULL            },
+        { "ST320014A"           ,       NULL            },
+        { "ST94011A"            ,       NULL            },
+        { "ST340016A"           ,       NULL            },
 /*
  * Western Digital
  */
-        { "WDC WD400UE-00HCT0"  ,       "ALL"           },
-        { "WDC WD400JB-00JJC0"  ,       "ALL"           },
+        { "WDC WD400UE-00HCT0"  ,       NULL            },
+        { "WDC WD400JB-00JJC0"  ,       NULL            },
         { NULL                  ,       NULL            }
 };
 
@@ -116,9 +116,9 @@ static const struct drive_list_entry dma_black_list [] = {
 /*
  * Western Digital
  */
-        { "WDC WD100EB-00CGH0"  ,       "ALL"           },
-        { "WDC WD200BB-00AUA1"  ,       "ALL"           },
-        { "WDC AC24300L"        ,       "ALL"           },
+        { "WDC WD100EB-00CGH0"  ,       NULL            },
+        { "WDC WD200BB-00AUA1"  ,       NULL            },
+        { "WDC AC24300L"        ,       NULL            },
         { NULL                  ,       NULL            }
 };
 #endif