perf_counter tools: tidy up in-kernel dependencies

Remove now unified perfstat.c and perf_counter.h, and link to the
in-kernel perf_counter.h.

Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Paul Mackerras <paulus@samba.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Orig-LKML-Reference: <20090323172417.677932499@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/Documentation/perf_counter/Makefile b/Documentation/perf_counter/Makefile
index b457497..666da95 100644
--- a/Documentation/perf_counter/Makefile
+++ b/Documentation/perf_counter/Makefile
@@ -2,7 +2,7 @@
 
 all: $(BINS)
 
-kerneltop: kerneltop.c perfcounters.h
+kerneltop: kerneltop.c ../../include/linux/perf_counter.h
 	cc -O6 -Wall -lrt `pkg-config --cflags --libs glib-2.0` -o $@ $<
 
 perfstat: kerneltop