perf: qcom: Remove redundant dev_err call in qcom_l3_cache_pmu_probe()

There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: ChenXiaoSong <chenxiaosong2@huawei.com>
Link: https://lore.kernel.org/r/20210608084816.1046485-1-chenxiaosong2@huawei.com


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