FP4: Initial (recoveryonly) tree

* LineageOS recovery boots and is functional
diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..d2cdf9d
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,11 @@
+#
+# Copyright (C) 2021 The LineageOS Project
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+LOCAL_PATH := $(call my-dir)
+
+ifeq ($(TARGET_DEVICE),FP4)
+include $(call all-makefiles-under,$(LOCAL_PATH))
+endif