drivers/perf: hisi: Remove redundant initialized of pmu->name

"pmu->name" is initialized by perf_pmu_register() function, so remove
the redundant initialized in hisi_pmu_init().

Signed-off-by: Junhao He <hejunhao3@huawei.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20230403081423.62460-2-hejunhao3@huawei.com


Signed-off-by: Will Deacon <will@kernel.org>