perf vendor events: Fix typos in power8 PMU events

perf vendor events: Fix typos in power8 PMU events

This replaces the incorrectly spelled word "localtion" with "location"
in some power8 PMU event descriptions.

Fixes: 2a81fa3bb5ed ("perf vendor events: Add power8 PMU events")
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
Reviewed-by: Kajol Jain <kjain@linux.ibm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Link: http://lore.kernel.org/lkml/20201012050205.328523-1-sandipan@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>