perf arm: Fix off-by-one directory path

Bugzilla: https://bugzilla.redhat.com/2069073

upstream
========
commit 46f57d2410150985f81da7cbbb5fdcda01d02ac2
Author: Ian Rogers <irogers@google.com>
Date: Thu Jan 13 22:48:22 2022 -0800

description
===========
Relative path include works in the regular build due to -I paths but may
fail in other situations.

Fixes: 83869019c74cc2d0 ("perf arch: Support register names from all archs")

Signed-off-by: Michael Petlan <mpetlan@redhat.com>

tools/perf/util/arm64-frame-pointer-unwind-support.c

@@ -6,7 +6,7 @@
 #include "unwind.h"
 
 #define perf_event_arm_regs perf_event_arm64_regs
-#include "../arch/arm64/include/uapi/asm/perf_regs.h"
+#include "../../arch/arm64/include/uapi/asm/perf_regs.h"
 #undef perf_event_arm_regs
 
 struct entries {