Updated toolchain for embedded (bare-metal) targets
- testing/binutils-cross-embedded: upgrade to 2.33.1
- testing/gcc-cross-embedded-stage1: upgrade to 9.2.0
- testing/newlib-stage1: Upgrade to 3.1.0
- testing/gcc-cross-embedded: upgrade to 9.2.0
- testing/newlib: upgrade to 3.1.0
Edited by Marian Buschsieweke