ARM: perf: add support for the Cortex-A15 PMU

This patch adds support for the Cortex-A15 PMU to the ARMv7
perf-event backend.

Signed-off-by: Will Deacon <will.deacon@arm.com>
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index df4e517..262ea67 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -663,6 +663,9 @@
 		case 0xC050:	/* Cortex-A5 */
 			armpmu = armv7_a5_pmu_init();
 			break;
+		case 0xC0F0:	/* Cortex-A15 */
+			armpmu = armv7_a15_pmu_init();
+			break;
 		}
 	/* Intel CPUs [xscale]. */
 	} else if (0x69 == implementor) {