Revert "remove unused gitmodules"
Revert "remove unused gitmodules"

This reverts commit ace1fe5263bada4a1dd00b12793e76d779a094c1.

jdkoftinoff/jdksavdecc-mcu,jdkoftinoff/jdksavdecc-mcu,jdkoftinoff/jdksavdecc-mcu,jdkoftinoff/jdksavdecc-mcu