HPTW malfunctions during CBO instruction

Created by: davidharrishmc

The tlbmisc coverage test caused a HPTW malfunction when a CBO instruction caused a TLB miss. The CMO instruction CacheCMOpM is asserted during the page table walk, causing the wrong page table entry to be written into the TLB.

Rose solved this in lsu.sv

•    assign CacheCMOpM = CacheableM ? CMOpM : '0;

•    assign CacheCMOpM = (CacheableM & ~SelHPTW) ? CMOpM : '0;