opencv(-samples): rename from svn to 2.1 in preparation of 2.2

Signed-off-by: Koen Kooi <koen@openembedded.org>

diff --git a/recipes/opencv/opencv-samples_svn.bb b/recipes/opencv/opencv-samples_2.1.bb
similarity index 100%
rename from recipes/opencv/opencv-samples_svn.bb
rename to recipes/opencv/opencv-samples_2.1.bb

diff --git a/recipes/opencv/opencv_svn.bb b/recipes/opencv/opencv_2.1.bb
similarity index 100%
rename from recipes/opencv/opencv_svn.bb
rename to recipes/opencv/opencv_2.1.bb