software/include/base/stdint.h: more definitions
software/common.mak: use -target instead of deprecated -ccc-host-triple
software/common.mak: remove -fsigned-char from CFLAGS
software: run the assembler ourselves to prevent future time wastage due to breakage of our custom Clang toolchain
software/include/base/stdint.h: add INT32_C
software: compile compiler-rt ourselves
software: hide and delete .ts files