meta-evb: add EVBBASE
Define a variable that recipes can use for finding the root
of the evb layer. Typically this is used to refer to the
layer LICENSE for recipes that don't have any source repository.
Change-Id: I37c1517c5c3e7b47afbfe550a1dfb8e93a361779
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/conf/layer.conf b/conf/layer.conf
index f8f2d0e..0aca4aa 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -3,3 +3,6 @@
BBFILE_COLLECTIONS += "evb"
BBFILE_PATTERN_evb = ""
+
+# Provide a variable that points the base of the evb layer.
+EVBBASE = '${@os.path.normpath("${LAYERDIR}/")}'