xwb_axi4lite_bridge as a AXI slave need to act as an arbiter on each channel.

A current design in proposed master may loss "some" transactions in case of heavy/long transfers.

You may check our WishboneAXI bridge library:
https://github.com/qermit/WishboneAXI

Axi4Lite to Wishbone core:
https://github.com/qermit/WishboneAXI/blob/master/cores/Wishbone2AXI/hdl/WishboneAXI_v0_1_S_AXI4_LITE.vhd