Attempting to fix missing definition/declaration

.vscode/c_cpp_properties.json

@@ -0,0 +1,21 @@
+{
+    "configurations": [
+        {
+            "name": "Win32",
+            "includePath": [
+                "C:\\MinGW\\include"
+            ],
+            "defines": [
+                "_DEBUG",
+                "UNICODE",
+                "_UNICODE"
+            ],
+            "windowsSdkVersion": "10.0.19041.0",
+            "compilerPath": "C:\\MinGW\\bin\\gcc.exe",
+            "cStandard": "c17",
+            "cppStandard": "c++17",
+            "intelliSenseMode": "windows-msvc-x64"
+        }
+    ],
+    "version": 4
+}

testhal/NUMICRO/NUC123/NUTINY-SDK-NUC123-V2.0/EFL/main.c

@@ -16,6 +16,7 @@
 
 #include "hal.h"
 #include "shcfg.h"
+#include "chtrace.h"
 
 
 const SerialConfig shell_serial_cfg = {

testhal/NUMICRO/NUC123/NUTINY-SDK-NUC123-V2.0/USB_HID/main.c

@@ -15,8 +15,8 @@
   limitations under the License.
 */
 #include "hal.h"
-
 #include "usbcfg.h"
+#include "chtrace.h"
 
 /*
  * Onboard LED blinker thread, times are in milliseconds.