drivers/perf: hisi: Simplify the parameters of hisi_pmu_init()

Use "hisi_pmu" to simplify the parameter list for the hisi_pmu_init()
function.

Signed-off-by: Junhao He <hejunhao3@huawei.com>
Link: https://lore.kernel.org/r/20230119100307.3660-3-hejunhao3@huawei.com


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