meta-intel: Add intel-dbus-interfaces

This recipe is used for Intel specific features and IPMI OEM commands.

Tested By:
bitbake intel-dbus-interfaces

Change-Id: I15dc9748e1b76db1569f4c7540eeb6c9ecfde827
Signed-off-by: Yong Li <yong.b.li@linux.intel.com>
diff --git a/conf/layer.conf b/conf/layer.conf
index edc79f8..50fbef9 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -9,3 +9,6 @@
 BBFILE_PATTERN_intel = ""
 LAYERVERSION_intel = "1"
 LAYERSERIES_COMPAT_intel = "sumo"
+
+# Provide a variable that points the base of the intel layer.
+INTELBASE = '${@os.path.normpath("${LAYERDIR}/")}'