perf tools: Move PERF-VERSION-FILE target into rules area

An upcoming fixdep fix needs all targets at the same area, so they'll
fit under a signal condition block.

Moving PERF-VERSION-FILE target into rules section.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1481030331-31944-2-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/Makefile.perf

@@ -128,10 +128,6 @@ endif
 # (this improves performance and avoids hard-to-debug behaviour);
 MAKEFLAGS += -r
 
-$(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD
-	$(Q)$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT)
-	$(Q)touch $(OUTPUT)PERF-VERSION-FILE
-
 # Makefiles suck: This macro sets a default value of $(2) for the
 # variable named by $(1), unless the variable has been set by
 # environment or command line. This is necessary for CC and AR
@@ -505,6 +501,10 @@ $(OUTPUT)common-cmds.h: $(wildcard Documentation/perf-*.txt)
 $(SCRIPTS) : % : %.sh
 	$(QUIET_GEN)$(INSTALL) '$@.sh' '$(OUTPUT)$@'
 
+$(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD
+	$(Q)$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT)
+	$(Q)touch $(OUTPUT)PERF-VERSION-FILE
+
 # These can record PERF_VERSION
 perf.spec $(SCRIPTS) \
 	: $(OUTPUT)PERF-VERSION-FILE