quartus build fixes

hw/rtl/libs/VX_priority_encoder.v

@@ -3,19 +3,26 @@
 module VX_priority_encoder #( 
     parameter N = 1
 ) (
-    input  wire [N-1:0]         data_in,
-    output reg [`LOG2UP(N)-1:0] data_out,
-    output reg                  valid_out
+    input  wire [N-1:0]          data_in,
+    output wire [`LOG2UP(N)-1:0] data_out,
+    output wire                  valid_out
 );    
+    reg [`LOG2UP(N)-1:0] data_out_r;
+    reg                  valid_out_r;
+
     always @(*) begin
-        data_out = 0;
-        valid_out = 0;
-        for (integer i = N-1; i >= 0; i = i - 1) begin
+        data_out_r  = 0;
+        valid_out_r = 0;
+        for (integer i = 0; i < N; i++) begin
             if (data_in[i]) begin
-                data_out = `LOG2UP(N)'(i);
-                valid_out = 1;
+                data_out_r = `LOG2UP(N)'(i);
+                valid_out_r = 1;
+                break;
             end
         end
     end
+
+    assign data_out  = data_out_r;
+    assign valid_out = valid_out_r;
     
 endmodule