axi_adxcvr: Reset status if PLL lock is lost

In case something happens with the reference clock of the CPLL or QPLL,
they might lose the locking. The status should reflect that.

library/xilinx/axi_adxcvr/axi_adxcvr_up.v

@@ -230,7 +230,7 @@ module axi_adxcvr_up #(
       end else if (up_user_ready_cnt[6] == 1'b0) begin
         up_user_ready_cnt <= up_user_ready_cnt + 1'b1;
       end
-      if (up_resetn == 1'b0) begin
+      if ((up_resetn == 1'b0) || (up_ch_pll_locked == 1'b0)) begin
         up_status_int <= 1'b0;
       end else if (up_ch_rst_done == 1'b1) begin
         up_status_int <= 1'b1;