configs/qemu_riscv64_virt: re-order options

Fix the config layout, no functional change.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

configs/qemu_riscv64_virt_defconfig

@@ -4,11 +4,11 @@ BR2_RISCV_64=y
 
 # System
 BR2_SYSTEM_DHCP="eth0"
+BR2_TARGET_GENERIC_GETTY=y
+BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
 
 # Filesystem
 BR2_TARGET_ROOTFS_EXT2=y
-BR2_TARGET_GENERIC_GETTY=y
-BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
 
 # Linux headers same as kernel, a 4.20 series
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_20=y