perf vendor events amd: Add Zen 5 mapping

Add a regular expression in the map file so that appropriate JSON event
files are used for AMD Zen 5 processors belonging to Family 1Ah.

Reviewed-by: Ian Rogers <[e-mail]>
Signed-off-by: Sandipan Das <[e-mail]>
Cc: Adrian Hunter <[e-mail]>
Cc: Alexander Shishkin <[e-mail]>
Cc: Ananth Narayan <[e-mail]>
Cc: Ingo Molnar <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Mark Rutland <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Ravi Bangoria <[e-mail]>
Cc: Stephane Eranian <[e-mail]>
Link: https://lore.kernel.org/r/862a[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/pmu-events/arch/x86/mapfile.csv

···
 AuthenticAMD-23-[[:xdigit:]]+,v1,amdzen2,core
 AuthenticAMD-25-([245][[:xdigit:]]|[[:xdigit:]]),v1,amdzen3,core
 AuthenticAMD-25-[[:xdigit:]]+,v1,amdzen4,core
+AuthenticAMD-26-[[:xdigit:]]+,v1,amdzen5,core