[PATCH] syscall class hookup for all normal targets

Take default arch/*/kernel/audit.c to lib/, have those with special
needs (== biarch) define AUDIT_ARCH in their Kconfig.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 674de89..db274da 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -75,6 +75,10 @@
 	depends on IA64_SGI_SN2
 	default y
 
+config AUDIT_ARCH
+	bool
+	default y
+
 choice
 	prompt "System type"
 	default IA64_GENERIC