Rollup merge of rust-lang#105389 - ogarokpeter:patch-1, r=Mark-Simulacrum

Enable profiler in dist-powerpc64le-linux

Build the profiler runtime to allow using -C profile-generate and -C instrument-coverage on POWER little endian systems.

I have verified locally that the runtime builds and the profiler is working fine on the platform.

Similar pull request for a different system: rust-lang#104304

Author: matthiaskrgr