serial: sc16is7xx: Remove serial_rs485 assignment
Serial core handles serial_rs485 assignment. It is safe to remove this assignment because sc16is7xx_reg_proc() takes port.lock at start (and sc16is7xx_reconf_rs485() would too). Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20220606100433.13793-36-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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