project/labstation: Add a default Makefile at the root.

BUG=None
TEST=None

Change-Id: I19522c0251511d018c7dff718861fb1fbe8ca185
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/labstation/+/5349935
Auto-Submit: Keith Haddow <haddowk@chromium.org>
Reviewed-by: Garry Wang <xianuowang@chromium.org>
Commit-Queue: Garry Wang <xianuowang@chromium.org>
Tested-by: Keith Haddow <haddowk@chromium.org>
Commit-Queue: Keith Haddow <haddowk@chromium.org>
diff --git a/DIR_METADATA b/DIR_METADATA
index 63e0075..bfa5a38 100644
--- a/DIR_METADATA
+++ b/DIR_METADATA
@@ -6,9 +6,9 @@
 # For the schema of this file, see Metadata message:
 #   https://source.chromium.org/chromium/infra/infra/+/main:go/src/infra/tools/dirmd/proto/dir_metadata.proto
 
+# P&E Eng Prod > PEEPSI > FleetSoftware > OS Fleet Automation > Labstation
 buganizer {
-  component_id: 1305623 # P&E Eng Prod > PEEPSI > FleetSoftware > OS Fleet Automation > Labstation
-
+  component_id: 1305623
 }
 
 team_email: "peep-fleet-infra-sw@google.com"
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..e747843
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,15 @@
+# Copyright 2024 The ChromiumOS Authors
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+SUBDIRS := os-dependent/chromeos/upstart-scripts os-dependent/chromeos
+
+all:
+	for dir in $(SUBDIRS); do \
+                $(MAKE) -C $$dir all || exit 1; \
+        done
+
+install:
+	for dir in $(SUBDIRS); do \
+                $(MAKE) -C $$dir install; \
+        done