adding the uart flag in silabs_board.gni

Author: chirag-silabs

scripts/examples/gn_silabs_example.sh

@@ -300,7 +300,7 @@ else
     if [ "$SILABS_BOARD" == "BRD4338A" ]; then
         echo "Compiling for 917 WiFi SOC"
         USE_WIFI=true
-        optArgs+="chip_device_platform =\"SiWx917\" is_debug=false sl_uart_log_output=true "
+        optArgs+="chip_device_platform =\"SiWx917\" is_debug=false "
     fi
 
     if [ "$USE_GIT_SHA_FOR_VERSION" == true ]; then

third_party/silabs/silabs_board.gni

@@ -69,7 +69,7 @@ if (silabs_board == "BRD4338A") {
   silabs_family = "SiWx917-common"
   silabs_mcu = "SiWG917M111MGTBA"
   wifi_soc = true
-
+  sl_uart_log_output = true
   # EFR32 MG24 series ----------
 } else if (silabs_board == "BRD4186A" || silabs_board == "BRD4187A") {
   variant = string_replace(silabs_board, "A", "C")