python: Add a utility for nested attribute dicts. Change attrdict so that attributes that begin with an underscore don't go into the dict.
python: Add a utility for nested attribute dicts.
Change attrdict so that attributes that begin with an underscore don't
go into the dict.

HwisooSo/gemV-update,samueldotj/TeeRISC-Simulator,qizenguf/MLC-STT,HwisooSo/gemV-update,rjschof/gem5,joerocklin/gem5,yb-kim/gemV,powerjg/gem5-ci-test,rallylee/gem5,TUD-OS/gem5-dtu,TUD-OS/gem5-dtu,yb-kim/gemV,markoshorro/gem5,gedare/gem5,cancro7/gem5,HwisooSo/gemV-update,TUD-OS/gem5-dtu,SanchayanMaity/gem5,rjschof/gem5,yb-kim/gemV,gedare/gem5,joerocklin/gem5,yb-kim/gemV,gedare/gem5,cancro7/gem5,joerocklin/gem5,Weil0ng/gem5,kaiyuanl/gem5,cancro7/gem5,cancro7/gem5,samueldotj/TeeRISC-Simulator,rjschof/gem5,TUD-OS/gem5-dtu,sobercoder/gem5,powerjg/gem5-ci-test,gedare/gem5,zlfben/gem5,qizenguf/MLC-STT,TUD-OS/gem5-dtu,yb-kim/gemV,markoshorro/gem5,rjschof/gem5,gem5/gem5,sobercoder/gem5,cancro7/gem5,joerocklin/gem5,samueldotj/TeeRISC-Simulator,kaiyuanl/gem5,KuroeKurose/gem5,zlfben/gem5,KuroeKurose/gem5,KuroeKurose/gem5,HwisooSo/gemV-update,austinharris/gem5-riscv,powerjg/gem5-ci-test,KuroeKurose/gem5,gedare/gem5,SanchayanMaity/gem5,joerocklin/gem5,samueldotj/TeeRISC-Simulator,sobercoder/gem5,cancro7/gem5,Weil0ng/gem5,aclifton/cpeg853-gem5,SanchayanMaity/gem5,qizenguf/MLC-STT,samueldotj/TeeRISC-Simulator,austinharris/gem5-riscv,aclifton/cpeg853-gem5,qizenguf/MLC-STT,sobercoder/gem5,KuroeKurose/gem5,austinharris/gem5-riscv,aclifton/cpeg853-gem5,briancoutinho0905/2dsampling,markoshorro/gem5,zlfben/gem5,rallylee/gem5,rallylee/gem5,zlfben/gem5,TUD-OS/gem5-dtu,Weil0ng/gem5,kaiyuanl/gem5,gem5/gem5,markoshorro/gem5,yb-kim/gemV,briancoutinho0905/2dsampling,kaiyuanl/gem5,yb-kim/gemV,qizenguf/MLC-STT,powerjg/gem5-ci-test,powerjg/gem5-ci-test,markoshorro/gem5,gem5/gem5,austinharris/gem5-riscv,HwisooSo/gemV-update,Weil0ng/gem5,cancro7/gem5,Weil0ng/gem5,briancoutinho0905/2dsampling,Weil0ng/gem5,rallylee/gem5,rjschof/gem5,rjschof/gem5,joerocklin/gem5,aclifton/cpeg853-gem5,zlfben/gem5,briancoutinho0905/2dsampling,markoshorro/gem5,sobercoder/gem5,SanchayanMaity/gem5,sobercoder/gem5,qizenguf/MLC-STT,gem5/gem5,kaiyuanl/gem5,KuroeKurose/gem5,TUD-OS/gem5-dtu,samueldotj/TeeRISC-Simulator,rallylee/gem5,rallylee/gem5,HwisooSo/gemV-update,markoshorro/gem5,rjschof/gem5,kaiyuanl/gem5,SanchayanMaity/gem5,rallylee/gem5,yb-kim/gemV,joerocklin/gem5,sobercoder/gem5,SanchayanMaity/gem5,KuroeKurose/gem5,briancoutinho0905/2dsampling,gem5/gem5,aclifton/cpeg853-gem5,samueldotj/TeeRISC-Simulator,gedare/gem5,zlfben/gem5,gem5/gem5,HwisooSo/gemV-update,austinharris/gem5-riscv,powerjg/gem5-ci-test,joerocklin/gem5,briancoutinho0905/2dsampling,gem5/gem5,gedare/gem5,powerjg/gem5-ci-test,zlfben/gem5,kaiyuanl/gem5,briancoutinho0905/2dsampling,Weil0ng/gem5,austinharris/gem5-riscv,aclifton/cpeg853-gem5,SanchayanMaity/gem5,aclifton/cpeg853-gem5,austinharris/gem5-riscv,qizenguf/MLC-STT