powerpc/perf: Support to export SIERs bit in Power8

Patch to export SIER bits to userspace via
perf_mem_data_src and perf_sample_data struct.

Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/perf/power8-pmu.c

@@ -325,6 +325,8 @@ static struct power_pmu power8_pmu = {
 	.bhrb_filter_map	= power8_bhrb_filter_map,
 	.get_constraint		= isa207_get_constraint,
 	.get_alternatives	= power8_get_alternatives,
+	.get_mem_data_src	= isa207_get_mem_data_src,
+	.get_mem_weight		= isa207_get_mem_weight,
 	.disable_pmc		= isa207_disable_pmc,
 	.flags			= PPMU_HAS_SIER | PPMU_ARCH_207S,
 	.n_generic		= ARRAY_SIZE(power8_generic_events),