as we discovered that _AIXVERSION_510 and _AIXVERSION_520 are defined in standards.h, changed defined( _AIX51) || defined(_AIX52) to defined( _AIXVERSION_510) || defined(_AIXVERSION_520)
as we discovered that _AIXVERSION_510 and _AIXVERSION_520 are defined in standards.h,
changed defined( _AIX51) || defined(_AIX52) to defined( _AIXVERSION_510) || defined(_AIXVERSION_520)

arm-hpc/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,arm-hpc/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,arm-hpc/papi,arm-hpc/papi,pyrovski/papi,arm-hpc/papi,arm-hpc/papi,arm-hpc/papi