Fix tests.xml install path
Fix cnf and cfg install paths
Add -lX11 linker parameter
Fix cfg path
Do not use input field from v4l2_buffer struct because it is removed

This is kernel commit:
+ From 2b719d7baf490e24ce7d817c6337b7c87fda84c1 Mon Sep 17 00:00:00 2001
+ From: Sakari Ailus <sakari.ailus@iki.fi>
+ Date: Wed, 2 May 2012 09:40:03 -0300
+ Subject: [PATCH] [media] v4l: drop v4l2_buffer.input and V4L2_BUF_FLAG_INPUT
+
+ Remove input field in struct v4l2_buffer and flag V4L2_BUF_FLAG_INPUT which
+ tells the former is valid. The flag is used by no driver currently.
+
+https://bugzilla.gnome.org/show_bug.cgi?id=681491
Update /opt/tests and /var/log/tests/blts path to tests.xml
Update spec and changelog