Add support for meta-quanta/meta-gsj

Per request on mailing list for more CI coverage, this system adds
in meta-nuvoton and meta-quanta layers.

Tested:
Verified it builds gsj system

Change-Id: I512e08a047162ca24c1779bb7878a9f694892883
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/build-setup.sh b/build-setup.sh
index 3dbe9c0..283dffa 100755
--- a/build-setup.sh
+++ b/build-setup.sh
@@ -34,7 +34,7 @@
 #                     Default: "latest"
 #  target             The target we aim to build:
 #                     evb-ast2500|palmetto|qemu|qemux86-64
-#                     romulus|s2600wf|witherspoon|zaius|tiogapass
+#                     romulus|s2600wf|witherspoon|zaius|tiogapass|gsj
 #                     Default: "qemu"
 #  no_tar             Set to true if you do not want the debug tar built
 #                     Default: "false"
@@ -156,6 +156,9 @@
   tiogapass)
     LAYER_DIR="meta-facebook/meta-tiogapass"
     ;;
+  gsj)
+    LAYER_DIR="meta-quanta/meta-gsj"
+    ;;
   *)
     exit 1
     ;;