ACPI: parse 2nd MADT by default

http://bugzilla.kernel.org/show_bug.cgi?id=7465

Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 22c6b8c..f0b7a5e 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -142,7 +142,7 @@
 			Format: <int>
 			2: use 2nd APIC table, if available
 			1,0: use 1st APIC table
-			default: 0
+			default: 2
 
 	acpi_sleep=	[HW,ACPI] Sleep options
 			Format: { s3_bios, s3_mode }