Added atomics implementation which would work for MI_example
Added atomics implementation which would work for MI_example

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