powerpc, perf_counter: Fix performance counter event types

Sachin Sant reported these compiler errors:

 CC      arch/powerpc/kernel/power7-pmu.o
arch/powerpc/kernel/power7-pmu.c:297: error: PERF_COUNT_CPU_CYCLES undeclared here (not in a function)

Which happened because a last-minute rename of symbols crossed with
the Power7 support patch.

Fix this by using the new symbol names.
Reported-by: Sachin Sant <sachinp@in.ibm.com>
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org
LKML-Reference: <1244788494.5554.1.camel@ht.satnam>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/powerpc/kernel/power7-pmu.c

@@ -294,12 +294,12 @@ static void power7_disable_pmc(unsigned int pmc, u64 mmcr[])
 }
 
 static int power7_generic_events[] = {
-	[PERF_COUNT_CPU_CYCLES] = 0x1e,
-	[PERF_COUNT_INSTRUCTIONS] = 2,
-	[PERF_COUNT_CACHE_REFERENCES] = 0xc880,		/* LD_REF_L1_LSU */
-	[PERF_COUNT_CACHE_MISSES] = 0x400f0,		/* LD_MISS_L1 */
-	[PERF_COUNT_BRANCH_INSTRUCTIONS] = 0x10068,	/* BRU_FIN */
-	[PERF_COUNT_BRANCH_MISSES] = 0x400f6,		/* BR_MPRED */
+	[PERF_COUNT_HW_CPU_CYCLES] = 0x1e,
+	[PERF_COUNT_HW_INSTRUCTIONS] = 2,
+	[PERF_COUNT_HW_CACHE_REFERENCES] = 0xc880,	/* LD_REF_L1_LSU*/
+	[PERF_COUNT_HW_CACHE_MISSES] = 0x400f0,		/* LD_MISS_L1	*/
+	[PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x10068,	/* BRU_FIN	*/
+	[PERF_COUNT_HW_BRANCH_MISSES] = 0x400f6,	/* BR_MPRED	*/
 };
 
 #define C(x)	PERF_COUNT_HW_CACHE_##x