pinctrl: bcm: ns: Remove redundant dev_err call

devm_ioremap_resource() prints error message in itself. Remove the
dev_err call to avoid redundant error message.

Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Ray Jui <ray.jui@broadcom.com>
Link: https://lore.kernel.org/r/20220923101038.18036-1-shangxiaojing@huawei.com


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>