internal/rosa: name suffix by toolchain

This makes output more useful during bootstrap.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/etc.go

@@ -98,7 +98,12 @@ func (a cureEtc) Dependencies() []pkg.Artifact {
 }
 
 // String returns a hardcoded reporting name.
-func (cureEtc) String() string { return "cure-etc" }
+func (a cureEtc) String() string {
+	if a.iana == nil {
+		return "cure-etc-minimal"
+	}
+	return "cure-etc"
+}
 
 // newIANAEtc returns an unpacked iana-etc release.
 func newIANAEtc() pkg.Artifact {