[patch] kdump: update elfcorehdr documentation to reflect supported architectures

[Simon Horman]

IA64, PPC and SH also support the elfcorehdr command line.

Signed-off-by: Simon Horman <horms at verge.net.au>

Index: linux-2.6/Documentation/kernel-parameters.txt
===================================================================
--- linux-2.6.orig/Documentation/kernel-parameters.txt	2008-07-30 09:48:40.000000000 +1000
+++ linux-2.6/Documentation/kernel-parameters.txt	2008-07-30 09:48:45.000000000 +1000
@@ -688,7 +688,7 @@ and is between 256 and 4096 characters. 
 			See Documentation/block/as-iosched.txt and
 			Documentation/block/deadline-iosched.txt for details.
 
-	elfcorehdr=	[X86-32, X86_64]
+	elfcorehdr=	[IA64,PPC,SH,X86-32,X86_64]
 			Specifies physical address of start of kernel core
 			image elf header. Generally kexec loader will
 			pass this option to capture kernel.