Perf: Correct irq for CPU hotplug detection

The platform data was requesting the wrong number,
it should request the first perf irq item.

Change-Id: I4a25b4704ed9e76172c6b0d4ca4b28a3286ab2ad
Signed-off-by: Neil Leeder <nleeder@codeaurora.org>
diff --git a/arch/arm/mach-msm/perf_debug.c b/arch/arm/mach-msm/perf_debug.c
index 8c942ad..bbd0852 100644
--- a/arch/arm/mach-msm/perf_debug.c
+++ b/arch/arm/mach-msm/perf_debug.c
@@ -25,6 +25,7 @@
 	"0  msm: perf: add debug patch logging framework\n"
 	"1  Perf: Restore counter after powercollapse for generic ARM PMU's\n"
 	"2  Perf: Toggle PMU IRQ when CPU's are hotplugged\n"
+	"3  Perf: Correct irq for CPU hotplug detection\n"
 ;
 
 static ssize_t desc_read(struct file *fp, char __user *buf,