bluez5: Adding gatttool to rootfs

gatttool is used for BLE. By default it is not installed.

Signed-off-by: Isaac Hermida <isaac.hermida@digi.com>

meta-digi-dey/recipes-connectivity/bluez/bluez5_%.bbappend

@@ -0,0 +1,7 @@
+# Copyright (C) 2015 Digi International.
+
+do_install_append() {
+	# gatttool is useful for BLE work but not installed by default
+	install -d ${D}${sbindir}
+	install -m 0755 attrib/gatttool ${D}${sbindir}/gatttool
+}