Change "phi" to "knc" to match libpfm4 for Xeon Phi / Knights Corner support
Change "phi" to "knc" to match libpfm4 for Xeon Phi / Knights Corner support

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