Added wrapper for latch primitive as tools do not recognise global clock as G if inferred

wrap/latch_g_ce.v

+/*******************************************************************************
+ * Module: latch_g_ce
+ * Date:2015-07-22  
+ * Author: Andrey Filippov    
+ * Description: Multi-bit wrapper for the transparent latch primitive
+ *
+ * Copyright (c) 2015 Elphel, Inc .
+ * latch_g_ce.v is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ *  latch_g_ce.v is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/> .
+ *******************************************************************************/
+`timescale 1ns/1ps
+
+module  latch_g_ce#(
+  parameter WIDTH = 1,
+  parameter INIT = 0,
+  parameter [0:0] IS_CLR_INVERTED = 0,
+  parameter [0:0] IS_G_INVERTED = 0
+
+)(
+    input                rst,
+    input                g,
+    input                ce,
+    input  [WIDTH-1: 0 ] d_in,
+    output [WIDTH-1: 0 ] q_out
+);
+    generate
+        genvar i;
+        for (i = 0; i < WIDTH; i = i+ 1) begin:ldce_block
+            LDCE #(
+                .INIT            ((INIT >> i) & 1),
+                .IS_CLR_INVERTED (IS_CLR_INVERTED),
+                .IS_G_INVERTED   (IS_G_INVERTED)
+            ) ldce_i (
+                .Q    (q_out[i]), // output
+                .CLR  (rst),      // input
+                .D    (d_in[i]),  // input
+                .G    (g),        // input
+                .GE   (ce)        // input
+            );
+        end
+    endgenerate
+
+
+endmodule
+