ctests/earprofile.c: Fix compiler warning
ctests/earprofile.c: Fix compiler warning

Both PAPI_get_hardware_info and PAPI_get_executable_info expect const pointers,
(get_executable_info is called by prof_init in profile_utils).

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