devm_ioremap_resource() already prints an error message. Remove the
redundant dev_err() call.

Link: https://lore.kernel.org/r/20220923101217.18345-1-shangxiaojing@huawei.comReviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>