[PATCH] Fix Kconfig for EDD

EDD fails with ACARD scsi devices present (hang on the 16bit bios call at
boot)
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/firmware/Kconfig

@@ -14,8 +14,9 @@ config EDD
 	  Services real mode BIOS calls to determine which disk
 	  BIOS tries boot from.  This information is then exported via sysfs.
 
-	  This option is experimental, but believed to be safe,
-	  and most disk controller BIOS vendors do not yet implement this feature.
+	  This option is experimental and is known to fail to boot on some
+          obscure configurations. Most disk controller BIOS vendors do
+          not yet implement this feature.
 
 config EFI_VARS
 	tristate "EFI Variable Support via sysfs"