rp-pppoe: add hash file

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

package/rp-pppoe/rp-pppoe.hash

@@ -0,0 +1,2 @@
+# Locally calculated after checking pgp signature
+sha256	86a1a4d92fcea74fa6dd45516c5975933fa978b36fafe71f76ea70b4b4747720	rp-pppoe-3.11.tar.gz