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

Link: https://lore.kernel.org/r/20210409075522.2111083-1-yebin10@huawei.comReported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Ye Bin <yebin10@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>