arm64: Fix build due to HMP tracepoints

Commit 2353c1f800 (arm: ipi raise/start/end tracing) added tracepoints for
IPIs in the generic GIC driver but only added definitions for them on ARM,
causing build failures on ARM64. Fix this by adding equivalent definitions
for arm64.

Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>

arch/arm64/kernel/smp.c

@@ -48,6 +48,9 @@
 #include <asm/tlbflush.h>
 #include <asm/ptrace.h>
 
+#define CREATE_TRACE_POINTS
+#include <trace/events/arm-ipi.h>
+
 /*
  * as from 2.5, kernels no longer have an init_tasks structure
  * so we need some other way of telling a new secondary core