ANDROID: Use -Wall and more when building libfdt am: 170bf1d4ce am: 350d496637

Original change: https://android-review.googlesource.com/c/platform/external/dtc/+/2784258

Change-Id: I2d07fa447fcd0ff3c77eaae93fb4bd53705279b3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>