Documentation: Reorder documentation of nomca and nomce

My patch to add brief documentation of the nomca boot parameter
added it out of alphabetical order.

Signed-Off-By: Horms <horms@verge.net.au>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index f8cb55c..f5863b0 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1046,10 +1046,10 @@
 	noltlbs		[PPC] Do not use large page/tlb entries for kernel
 			lowmem mapping on PPC40x.
 
-	nomce		[IA-32] Machine Check Exception
-
 	nomca		[IA-64] Disable machine check abort handling
 
+	nomce		[IA-32] Machine Check Exception
+
 	noresidual	[PPC] Don't use residual data on PReP machines.
 
 	noresume	[SWSUSP] Disables resume and restores original swap