General:
- Replaced riscv32 tools with multilib for riscv64 toolchain
- Dropped package of MIPS toolchain at this point
- Removed x86 IAMCU toolchain
- Improved install process / packaging of tools
- can get individual arch toolchains
- don't need to install as root
- prompt for setting up env for you
- Replaced multiple x86 toolchains with single x86_64 toolchain for 32 & 64-bit
- Improve support for building on Ubuntu 18.04 host
- ARM aarch64 support
- Added SPARC support [experimental]
OpenOCD:
- Bump baseline to 20200116
- Removed support for Quark
- Various ARC fixes/updates
QEMU:
- Bump to version 4.2.0
- Pull in Xilinx Cortex-R support
- Pull in LEON2 SPARC support
GCC:
- Bumped to GCC 9.2.0
Host Tools:
- Removed sound-open-firmware-tools as it wasnt used
NEWLIB:
- Added nano-variant builds
- Enabled long-long support in full newlib build
- Support newlib retargetable locking configuration