hw: Fix repeated load-stores in FPSS on WAW stall

hw/snitch_cluster/src/snitch_fp_ss.sv

@@ -2584,7 +2584,7 @@ module snitch_fp_ss import snitch_pkg::*; #(
   // ----------------------
   // Load/Store Unit
   // ----------------------
-  assign lsu_qvalid = acc_req_valid_q & (&op_ready) & (is_load | is_store);
+  assign lsu_qvalid = acc_req_valid_q & (&op_ready) & (is_load | is_store) & dst_ready;
 
   // TODO: verify this does not create timing loops!
   assign caq_pvalid_o = data_rsp_i.p_valid & data_req_o.p_ready;