Add build support for more host utils

fdtput and fdtoverlaymerge are needed for Qualcomms dtb
merge script.

Change-Id: Ifab7a1a60aeb5b182d0e92f82a694a852f1dc0d7
diff --git a/Android.bp b/Android.bp
index f4b1d37..60d014d 100644
--- a/Android.bp
+++ b/Android.bp
@@ -118,6 +118,15 @@
 }
 
 cc_binary_host {
+    name: "fdtput",
+    defaults: ["dt_defaults"],
+    srcs: [
+        "fdtput.c",
+        "util.c",
+    ],
+}
+
+cc_binary_host {
     name: "fdtoverlay",
     defaults: ["dt_defaults"],
     srcs: [
@@ -127,6 +136,15 @@
 }
 
 cc_binary_host {
+    name: "fdtoverlaymerge",
+    defaults: ["dt_defaults"],
+    srcs: [
+        "fdtoverlaymerge.c",
+        "util.c",
+    ],
+}
+
+cc_binary_host {
     name: "fdtdump",
     defaults: ["dt_defaults"],
     srcs: [