fireinfo: Import upstream patch

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

src/patches/fireinfo/0001-Filter-all-IDs-that-only-consist-of-0xff.patch

@@ -0,0 +1,28 @@
+From d58f8ef75a29dd6f8968084b5383ce0f39c75666 Mon Sep 17 00:00:00 2001
+From: Michael Tremer <michael.tremer@ipfire.org>
+Date: Wed, 12 Aug 2015 10:50:42 +0100
+Subject: [PATCH] Filter all IDs that only consist of 0xff
+
+Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
+---
+ src/fireinfo/system.py | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/fireinfo/system.py b/src/fireinfo/system.py
+index 4148c66..edf7359 100644
+--- a/src/fireinfo/system.py
++++ b/src/fireinfo/system.py
+@@ -255,6 +255,10 @@ class System(object):
+ 						id = None
+ 						break
+ 
++			# Check if the string only contains 0xff
++			if all((e == "\xff" for e in id)):
++				id = None
++
+ 			if id:
+ 				_ids.append(id)
+ 
+-- 
+2.4.3
+