iostat: add hash file

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/iostat/iostat.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256	edc5aa73f43bd6c7d49f2c1d5906a0a68c0b28bc4dfdaf1f2aa5ae4a2449c58e	iostat-2.2.tar.gz