Make clog compatible with Hexagon toolchain (#95)
Make clog compatible with Hexagon toolchain (#95)

Hexagon OS (QuOS) doesn't support POSIX write API, but expose a
printf-like API for error logging. Switch to use it on Hexagon targets.
pytorch/cpuinfo,Maratyszcza/cpuinfo,pytorch/cpuinfo,pytorch/cpuinfo,Maratyszcza/cpuinfo,Maratyszcza/cpuinfo,Maratyszcza/cpuinfo,pytorch/cpuinfo