libsoc: add a hash file

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libsoc/libsoc.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256  fc7f4c4ec5cc694833f27d91603aaaa6a43e8100ab26bac47f553753c8d45ac0  libsoc-0.7.1.tar.gz