ANDROID: Use -Wno-macro-redefined for DTC tools

As we use the flag when building libfdt, also enable it for the tools.

Test: m dtc fdtget fdtoverlay
Test: bazel build //:all
Change-Id: I3c0775436bb9be1367e1937e99a6e87d1dce664c
diff --git a/Android.bp b/Android.bp
index cb13748..a194eef 100644
--- a/Android.bp
+++ b/Android.bp
@@ -48,6 +48,7 @@
     cflags: [
         "-Wall",
         "-Werror",
+        "-Wno-macro-redefined",
         "-Wno-sign-compare",
         "-Wno-missing-field-initializers",
         "-Wno-unused-parameter",
diff --git a/BUILD.bazel b/BUILD.bazel
index 439621d..5ef46e7 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -15,6 +15,7 @@
 COPTS = [
     "-Wall",
     "-Werror",
+    "-Wno-macro-redefined",
     "-Wno-sign-compare",
     "-Wno-missing-field-initializers",
     "-Wno-unused-parameter",