Pvscsi driver is already included and works fine. The only problem I had, was that vmdk file from MikroTik includes adapter type “ide”. VMware Player is happy to change that to pvscsi, but ESXi did not allow me to change it, when I uploaded vmdk file to host. The solution was to convert it:
qemu-img convert -o adapter_type=lsilogic,subformat=monolithicFlat -f vmdk -O vmdk chr-6.34rc19.vmdk chr-6.34rc19-scsi.vmdk
It produces two files, chr-6.34rc19-scsi-flat.vmdk and chr-6.34rc19-scsi.vmdk and ESXi can take those. Adapter type lsilogic is used because qemu-img did not like pvscsi, but it can be changed in ESXi.