rebuild river, mepo and fbp aports with -Dcpu=baseline
testing/zig: backport -Dcpu handling fix, run tests and build docs again @mps wanted zig
changes in a separate MR, here !28504 (closed)
testing/river: rebuild with -Dcpu=baseline
testing/mepo: rebuild with -Dcpu=baseline
testing/fbp: rebuild with -Dcpu=baseline
testing/ncdu2: use arch case statement for -Dcpu (not bumped, already built with =baseline)
Also cherry-picked commits from !27366 (merged)
Edited by omni