tests/kconfig: add features check

tests/kconfig_features/Makefile

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+include ../Makefile.tests_common
+
+kconfig-features:
+	@bash -c 'diff <($(MAKE) info-features-provided) \
+	    <($(MAKE) dependency-debug-features-provided-kconfig) || \
+	    (echo "ERROR: Kconfig features mismatch" && exit 1)'
+
+all: kconfig-features
+
+include $(RIOTBASE)/Makefile.include

tests/kconfig_features/README.md

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+## Kconfig features test
+
+The objective of this test is to control the synchronization of features
+provided by boards via `Makefile.features` and `Kconfig` files during the
+migration process.
+
+The test checks during compilation that both lists of features provided by
+the board match. The `BOARD_WHITELIST` is used to test only the boards that have
+their features modelled in Kconfig.

tests/kconfig_features/main.c

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+/*
+ * Copyright (C) 2019 HAW Hamburg
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser General
+ * Public License v2.1. See the file LICENSE in the top level directory for more
+ * details.
+ */
+
+/**
+ * @ingroup     tests
+ * @{
+ *
+ * @file
+ * @brief       Test for Kconfig Features
+ *
+ * @author      Leandro Lanzieri <leandro.lanzieri@haw-hamburg.de>
+ * @author      José I. Alamos <jose.alamos@haw-hamburg.de>
+ *
+ * @}
+ */
+
+int main(void)
+{
+    return 0;
+}