i386 SRAT: Fix MAX_NR_ZONES check

We cannot check MAX_NR_ZONES since it not defined in the preprocessor
anymore. So remove the check.

The maximum number of zones per node for i386 is 3 since i386 does
not support ZONE_DMA32.

Signed-off-by: Christoph Lameter <clameter@sgi.com>

Index: linux-2.6.17-mm6/arch/i386/kernel/srat.c
===================================================================
--- linux-2.6.17-mm6.orig/arch/i386/kernel/srat.c	2006-07-03 13:47:12.667481297 -0700
+++ linux-2.6.17-mm6/arch/i386/kernel/srat.c	2006-07-04 07:59:13.710812064 -0700
@@ -42,7 +42,7 @@
 #define PXM_BITMAP_LEN (MAX_PXM_DOMAINS / 8) 
 static u8 pxm_bitmap[PXM_BITMAP_LEN];	/* bitmap of proximity domains */
 
-#define MAX_CHUNKS_PER_NODE	4
+#define MAX_CHUNKS_PER_NODE	3
 #define MAXCHUNKS		(MAX_CHUNKS_PER_NODE * MAX_NUMNODES)
 struct node_memory_chunk_s {
 	unsigned long	start_pfn;
@@ -135,9 +135,6 @@ static void __init parse_memory_affinity
 		 "enabled and removable" : "enabled" ) );
 }
 
-#if MAX_NR_ZONES != 4
-#error "MAX_NR_ZONES != 4, chunk_to_zone requires review"
-#endif
 /* Take a chunk of pages from page frame cstart to cend and count the number
  * of pages in each zone, returned via zones[].
  */