* sim-profile.h (PROFILE_DATA): Add cpu_freq.
(PROFILE_CPU_FREQ): New macro.
* sim-profile.c (OPTION_PROFILE_CPU_FREQUENCY): New enumerator.
(profile-options): Add profile-cpu-frequency.
(parse_frequency): New function.
(profile_option_handler): Handle OPTION_PROFILE_CPU_FREQUENCY.
(profile_print_speed): Print cpu frequency and simulated execution time.
Re-indent other items to match.