mingw-w64-arm-none-eabi-binutils: Added
mingw-w64-arm-none-eabi-newlib: Added
mingw-w64-arm-none-eabi-gcc: Added
mingw-w64-arm-none-eabi-gdb: Added
arm-none-eabi-newlib: Untar gcc-arm-embedded.tar.bz2 quietly

Also remove {gcc,newlib} folders before re-extracting and add
!emptydirs option.
Untar gcc-arm-embedded.tar.bz2 quietly

Also remove gcc folder before re-extracting and add
!emptydirs option