cpufrequtils: add mainProgram `cpufreq-set`

Signed-off-by: Christina Sørensen <christina@cafkafk.com>

+1
+1
pkgs/os-specific/linux/cpufrequtils/default.nix
··· 27 27 homepage = "http://ftp.be.debian.org/pub/linux/utils/kernel/cpufreq/cpufrequtils.html"; 28 28 license = licenses.gpl2Only; 29 29 platforms = [ "x86_64-linux" ]; 30 + mainProgram = "cpufreq-set"; 30 31 }; 31 32 }