[i2c] Signal Name Fix

Changed signal name from fmt_fifo_wen to fmt_fifo_wvalid.

hw/ip/i2c/rtl/i2c_core.sv

diff --git a/hw/ip/i2c/rtl/i2c_core.sv b/hw/ip/i2c/rtl/i2c_core.sv
index cccc5d5..48f307c 100644
--- a/hw/ip/i2c/rtl/i2c_core.sv
+++ b/hw/ip/i2c/rtl/i2c_core.sv
@@ -189,7 +189,7 @@
   ) u_i2c_fmtfifo (
     .clk_i,
     .rst_ni(fmt_fifo_rst_n),
-    .wvalid(fmt_fifo_wen),
+    .wvalid(fmt_fifo_wvalid),
     .wready(fmt_fifo_wready),
     .wdata(fmt_fifo_wdata),
     .depth(fmt_fifo_depth),