re-land [RISC-V][HWASAN] Support tagging global variables for RISC-V HWASAN

Now with fix to limit added tagged-globals.ll to risc-v platform
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[RISC-V][HWASAN] Support tagging global variables for RISC-V HWASAN

Reviewed by: luismarques

Differential Revision: https://reviews.llvm.org/D132995