There are some issues in the checks for libfdt in meson.build which
get fixed with the first two patches.

And while we're at it, also update the dtc submodule to a proper release
version (in the third patch).

Thomas Huth (3):
  meson.build: Fix the check for a usable libfdt
  meson.build: Don't use internal libfdt if the user requested the
    system libfdt
  dtc: Update to version 1.6.1

 dtc         | 2 +-
 meson.build | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

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2.27.0