[Core] RISC-V toolchain and picolibc fixes#15109

Merged

zvecr merged 2 commits intoqmk:developfrom KarlK90:fix/riscv-dependencies-picolibc

Nov 20, 2021

+22-12

Commits on Nov 20, 2021

[Core] Fix RISC-V toolchain installation

KarlK90
authored and
zvecr
committed
[Core] Fix heap symbols and syscalls for picolibc

KarlK90
authored and
zvecr
committed