kvm: move new trace event outside #ifdef CONFIG_KVM_ASYNC_PF

Fixes compilation with ppc64_defconfig.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index 0d1bc47..d6f8322 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -356,6 +356,8 @@
 		  __entry->address)
 );
 
+#endif
+
 TRACE_EVENT(kvm_halt_poll_ns,
 	TP_PROTO(bool grow, unsigned int vcpu_id, int new, int old),
 	TP_ARGS(grow, vcpu_id, new, old),
@@ -386,8 +388,6 @@
 #define trace_kvm_halt_poll_ns_shrink(vcpu_id, new, old) \
 	trace_kvm_halt_poll_ns(false, vcpu_id, new, old)
 
-#endif
-
 #endif /* _TRACE_KVM_MAIN_H */
 
 /* This part must be outside protection */