ensure cloning submodules

Author: PerditionC

RELEASE.BAT

@@ -7,7 +7,7 @@ git tag -a -m "Tag kernel release %1" ke%1 HEAD
 ECHO get a clean tree
 if EXIST ..\SOURCE RMDIR /S /Q ..\SOURCE > NUL
 ::git clone -v --local --branch ke%1 . ..\SOURCE\ke%1\
-git clone -v --local . ..\SOURCE\ke%1\
+git clone -v --recurse-submodules --local . ..\SOURCE\ke%1\
 
 REM delete files to exclude
 RD /S /Q ..\SOURCE\ke%1\.git > NUL