KVM: ia64: Stub out kvmtrace

Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig
index d2e54b9..7914e48 100644
--- a/arch/ia64/kvm/Kconfig
+++ b/arch/ia64/kvm/Kconfig
@@ -43,4 +43,7 @@
 	  Provides support for KVM on Itanium 2 processors equipped with the VT
 	  extensions.
 
+config KVM_TRACE
+       bool
+
 endif # VIRTUALIZATION