Tex CSRs write support added

hw/rtl/interfaces/VX_tex_csr_if.v

@@ -0,0 +1,20 @@
+`ifndef VX_TEX_CSR_IF
+`define VX_TEX_CSR_IF
+
+`include "VX_define.vh"
+
+interface VX_tex_csr_if ();
+
+    // wire                      read_enable;
+    // wire[`CSR_ADDR_BITS-1:0]  read_addr;
+    // wire[`NW_BITS-1:0]        read_wid;
+    // wire[31:0]               read_data;
+
+    wire                      write_enable; 
+    wire[`CSR_ADDR_BITS-1:0]  write_addr;
+    // wire[`NW_BITS-1:0]        write_wid;
+    wire[`CSR_WIDTH-1:0]      write_data;   
+
+endinterface
+
+`endif