Release scripts to validate ThreadX port (#254)

test/ports/azrtos_build_tx_mdk4.bat

@@ -0,0 +1,24 @@
+@ECHO OFF
+
+ECHO INFO: Building %CD%...
+
+ECHO INFO: Building ThreadX_Library...
+DEL out.txt 2> NUL
+START /wait %AZRTOS_KEIL_UV% -j0 -b ThreadX_Library.uvproj -o out.txt
+IF %ERRORLEVEL% GEQ 2 GOTO BUILD_ERROR
+TYPE out.txt 2> NUL
+
+ECHO INFO: Building ThreadX_Demo...
+DEL out.txt 2> NUL
+START /wait %AZRTOS_KEIL_UV% -j0 -b ThreadX_Demo.uvproj -o out.txt
+IF %ERRORLEVEL% GEQ 2 GOTO BUILD_ERROR
+TYPE out.txt 2> NUL
+
+DEL out.txt 2> NUL
+ECHO INFO: Build completed successfully!
+EXIT /B 0
+
+:BUILD_ERROR
+TYPE out.txt 2> NUL
+ECHO ERROR: build failed.
+EXIT /B 1