Caches return a new functional port whenever asked for one.
Caches return a new functional port whenever asked for one.

src/mem/cache/base_cache.cc:
    Have caches return a new functional port whenever asked for them.  I'm pretty sure this is desired behavior.  Ron can correct me if it's not.

--HG--
extra : convert_revision : e1fadf895a7d714968128ff900d10e86fde53387

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