internal/rosa/meson: migrate to helper interface

This change also removes some unused options.

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

internal/rosa/dtc.go

@@ -7,28 +7,27 @@ func (t Toolchain) newDTC() pkg.Artifact {
 		version  = "1.7.2"
 		checksum = "vUoiRynPyYRexTpS6USweT5p4SVHvvVJs8uqFkkVD-YnFjwf6v3elQ0-Etrh00Dt"
 	)
-	return t.NewViaMeson("dtc", version, t.NewPatchedSource(
-		"dtc", version, pkg.NewHTTPGetTar(
-			nil, "https://git.kernel.org/pub/scm/utils/dtc/dtc.git/snapshot/"+
-				"dtc-v"+version+".tar.gz",
-			mustDecode(checksum),
-			pkg.TarGzip,
-		), false,
-	), &MesonAttr{
+	return t.NewPackage("dtc", version, pkg.NewHTTPGetTar(
+		nil, "https://git.kernel.org/pub/scm/utils/dtc/dtc.git/snapshot/"+
+			"dtc-v"+version+".tar.gz",
+		mustDecode(checksum),
+		pkg.TarGzip,
+	), &PackageAttr{
 		// works around buggy test:
 		// fdtdump-runtest.sh /usr/src/dtc/tests/fdtdump.dts
 		Writable: true,
-
-		Configure: [][2]string{
+		Chmod:    true,
+	}, &MesonHelper{
+		Setup: [][2]string{
 			{"Dyaml", "disabled"},
 			{"Dstatic-build", "true"},
 		},
 	},
-		t.Load(Flex),
-		t.Load(Bison),
-		t.Load(M4),
-		t.Load(Coreutils),
-		t.Load(Diffutils),
+		Flex,
+		Bison,
+		M4,
+		Coreutils,
+		Diffutils,
 	)
 }
 func init() { artifactsF[DTC] = Toolchain.newDTC }