Fix file permissions

board/MAI/bios_emulator/scitech/bin/bcb5-w32.bat

board/MAI/bios_emulator/scitech/bin/bcb5-x11.bat

board/MAI/bios_emulator/scitech/bin/build

board/MAI/bios_emulator/scitech/bin/build.bat

board/MAI/bios_emulator/scitech/bin/build_db.bat

board/MAI/bios_emulator/scitech/bin/build_it.bat

board/MAI/bios_emulator/scitech/bin/cddrv.bat

board/MAI/bios_emulator/scitech/bin/cdit

board/MAI/bios_emulator/scitech/bin/cdit.bat

board/MAI/bios_emulator/scitech/bin/findint3.bat

board/MAI/bios_emulator/scitech/bin/gcc-beos.sh

board/MAI/bios_emulator/scitech/bin/gcc-freebsd.sh

board/MAI/bios_emulator/scitech/bin/gcc-linux.sh

board/MAI/bios_emulator/scitech/bin/gcc2-c32.bat

board/MAI/bios_emulator/scitech/bin/gcc2-dos.bat

board/MAI/bios_emulator/scitech/bin/gcc2-linux.bat

board/MAI/bios_emulator/scitech/bin/gcc2-w32.bat

board/MAI/bios_emulator/scitech/bin/makelib.bat

board/MAI/bios_emulator/scitech/bin/meltobjs.sh

board/MAI/bios_emulator/scitech/bin/ntddk.bat