hw: Remove ternary statements in PHY (#9)

Author: fischeti

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+- Removed ternary statement in `serial_link_physical` for better EDA tool compatibility.
+
 ## 1.1.1 - 2024-02-07
 
 ### Changed

src/serial_link_physical.sv

@@ -142,7 +142,13 @@ module serial_link_physical_rx #(
   ////////////////
   //   DDR IN   //
   ////////////////
-  always_ff @(negedge ddr_rcv_clk_i, negedge rst_ni) ddr_q <= !rst_ni ? '0 : ddr_i;
+  always_ff @(negedge ddr_rcv_clk_i, negedge rst_ni) begin
+    if (~rst_ni) begin
+      ddr_q <= '0;
+    end else begin
+      ddr_q <= ddr_i;
+    end
+  end
   assign data_in = {ddr_i, ddr_q};
 
 endmodule