ARM: Fix memset on TLB flush and initialization
ARM: Fix memset on TLB flush and initialization

Instead of clearing the entire TLB on initialization and flush, the code was
clearing only one element.  This patch corrects the memsets in the init and
flush routines.

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