blhc workarounds

blhc workarounds

Builds zstd-small (not included in any packages) with
hardening flags.
Provides verbosity to blhc by removing most @s from Makefiles.
Slightly changes some status-related @echos to prevent false-
positive "Nonverbose Build" errors from blhc.

Gbp-Pq: Name 0019-blhc-workarounds.patch