Convert (further) to Android.bp

See build/soong/README.md for more information

Test: cd external/dtc; mma
Test: check for dtc in build artifacts
Change-Id: I2bdd1a2fc41d3e5c61de3c05f1097a8ddb7e1ea9

Android.bp

@@ -1,3 +1,30 @@
-subdirs = [
-    "libfdt"
-]
+// Copyright 2016 The Android Open Source Project
+
+cc_binary_host {
+    name: "dtc",
+
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wno-sign-compare",
+        "-Wno-missing-field-initializers",
+        "-Wno-unused-parameter",
+    ],
+    srcs: [
+        "checks.c",
+        "data.c",
+        "dtc.c",
+        "dtc-lexer.l",
+        "dtc-parser.y",
+        "flattree.c",
+        "fstree.c",
+        "livetree.c",
+        "srcpos.c",
+        "treesource.c",
+        "util.c",
+    ],
+
+    static_libs: ["libfdt"],
+
+    stl: "none",
+}

Android.mk

@@ -1,33 +1,3 @@
 # Copyright 2016 The Android Open Source Project
 
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_CFLAGS := \
-  -Wall \
-  -Werror \
-  -Wno-sign-compare \
-  -Wno-missing-field-initializers \
-  -Wno-unused-parameter
-LOCAL_SRC_FILES := \
-  checks.c \
-  data.c \
-  dtc.c \
-  dtc-lexer.l \
-  dtc-parser.y \
-  flattree.c \
-  fstree.c \
-  livetree.c \
-  srcpos.c \
-  treesource.c \
-  util.c
-
-LOCAL_STATIC_LIBRARIES := \
-  libfdt
-LOCAL_CXX_STL := none
-
-LOCAL_MODULE := dtc
-
-include $(BUILD_HOST_EXECUTABLE)
-
 $(call dist-for-goals, dist_files, $(ALL_MODULES.dtc.BUILT):dtc/dtc)