misc: hi6421-spmi-pmic: Remove redundant dev_err()

There is no need to call the dev_err() function directly to print a custom
message when handling an error from the platform_get_irq() function as it
is going to display an appropriate error message in case of a failure.

Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20230726180707.2486808-1-ruanjinjie@huawei.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>