[dev.cc] cmd/asm: add ppc64le support

Change-Id: I780ed76c9217d387a73fd7530af2f40948aa1fe4
Reviewed-on: https://go-review.googlesource.com/5452Reviewed-by: Rob Pike <r@golang.org>

src/cmd/asm/internal/arch/arch.go

@@ -75,6 +75,10 @@ func Set(GOARCH string) *Arch {
 		a := archPPC64()
 		a.LinkArch = &ppc64.Linkppc64
 		return a
+	case "ppc64le":
+		a := archPPC64()
+		a.LinkArch = &ppc64.Linkppc64le
+		return a
 	}
 	return nil
 }