Introduce linaro_hikey960-userdebug build target

Add linaro_hikey960-userdebug build target hosted on
source.devboardsforandroid.linaro.org and synced as
device/linaro/hikey960* projects from a local manifest.

Change-Id: I75eebe494376a18b0887861d1aaf397f72bd21a6
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
diff --git a/factory-images/README b/factory-images/README
index aaa1fb0..6fe8684 100644
--- a/factory-images/README
+++ b/factory-images/README
@@ -4,9 +4,9 @@
 
 $ make -j24  dist
 $ cd out/dist/
-$ . ../../device/linaro/hikey/factory-images/generate-factory-images-package.sh
+$ . ../../device/linaro/hikey960/factory-images/generate-factory-images-package.sh
 
 # Package with an existing image
 # First download the image to the android build top directory
 
-$ device/linaro/hikey/factory-images/generate-factory-images-package.sh
+$ device/linaro/hikey960/factory-images/generate-factory-images-package.sh