dsp-tools: add hash file

Signed-off-by: Carlos Santos <casantos@datacom.ind.br>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/dsp-tools/dsp-tools.hash

@@ -0,0 +1,2 @@
+# Locally computed:
+sha256 734a1d5f21fb388bdbe64f7b599fef52357c3c72ff860f38456a352e7c1c3e78  dsp-tools-v2.0.tar.gz