configs/qemu_riscv{32, 64}_virt: remove BR2_TARGET_GENERIC_GETTY_PORT
Giving an explicit getty port is not really needed, as we already
spawn a getty on the "console" device, which will match the serial
port passed as console= argument on the kernel command line.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>