Update libraries/hpc submodule to v0.6.0.3 release tag
Update libraries/hpc submodule to v0.6.0.3 release tag

shlevy/ghc,vTurbine/ghc,olsner/ghc,olsner/ghc,vTurbine/ghc,snoyberg/ghc,mettekou/ghc,snoyberg/ghc,vTurbine/ghc,sdiehl/ghc,olsner/ghc,ezyang/ghc,mettekou/ghc,sdiehl/ghc,mettekou/ghc,shlevy/ghc,olsner/ghc,vikraman/ghc,sgillespie/ghc,vikraman/ghc,olsner/ghc,vTurbine/ghc,sgillespie/ghc,shlevy/ghc,vTurbine/ghc,sdiehl/ghc,snoyberg/ghc,vikraman/ghc,snoyberg/ghc,olsner/ghc,shlevy/ghc,vTurbine/ghc,sgillespie/ghc,ezyang/ghc,shlevy/ghc,shlevy/ghc,mettekou/ghc,vikraman/ghc,olsner/ghc,ezyang/ghc,ezyang/ghc,sdiehl/ghc,snoyberg/ghc,vikraman/ghc,sgillespie/ghc,mettekou/ghc,vikraman/ghc,ezyang/ghc,sgillespie/ghc,sdiehl/ghc,mettekou/ghc,sdiehl/ghc,snoyberg/ghc,vTurbine/ghc,vikraman/ghc,sdiehl/ghc,shlevy/ghc,sgillespie/ghc,mettekou/ghc,ezyang/ghc,sgillespie/ghc,snoyberg/ghc,ezyang/ghc