ifplugd: add hash file

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

package/ifplugd/ifplugd.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256	474754ac4ab32d738cbf2a4a3e87ee0a2c71b9048a38bdcd7df1e4f9fd6541f0	ifplugd-0.28.tar.gz