compat_props_add() is only used by board models, no need
to expose it to any device model. Restrict by defining it
only in "hw/core/boards.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Message-Id: <20260325151728.45378-3-philmd@linaro.org>