Enable SPE from the command line

Enable SPE profiling by using the --spe argument:

/path/to/forge/bin/map --profile --spe=<event-filter> ...

Replace <event-filter> with one of these values:

• cache: collect L1D refills and LLC miss events
• mispredict: collect branch mispredict events
• tlb: collect TLB walk events
• sve-predicate: collect SVE partial predicate and empty predicate events