rk3588: virtio backend is too slow

[liulog]

Condition

• Platform: RK3588
• Root (zone0): 2*a55 + all devices (except gicv3 and gmac0)
• Non root (zone1): 4*a76 + virtio-console + virtio-blk + gmac0

Phenomenon

There will be wrong when booting the non-root (zone 1).

Supplement

• When using virtio-console & virtio-blk only, there will be the same error as the above.
• When using tr -dc 'A-Za-z0-9\n' </dev/urandom > /dev/hvc0 cmd to write virtio-console, there will be the same error also.