hw/mcu/stm32f4: Add shell command to show clocks

This adds package that can display all enabled clocks.
Similar to what was already done for stm32f1

Signed-off-by: Jerzy Kasenberg <jerzy.kasenberg@codecoup.pl>

hw/mcu/stm/stm32f4xx/mcu_cli/pkg.yml

@@ -0,0 +1,35 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+pkg.name: hw/mcu/stm/stm32f4xx/mcu_cli
+pkg.description: MCU cli for STM32F4 chips.
+pkg.author: "Apache Mynewt <dev@mynewt.apache.org>"
+pkg.keywords:
+    - stm32
+    - stm32f4
+
+pkg.deps:
+    - "@apache-mynewt-core/hw/mcu/stm/stm32f4xx"
+    - "@apache-mynewt-core/kernel/os"
+
+pkg.req_apis:
+    - console
+
+pkg.init:
+    mcu_cli_init: 'MYNEWT_VAL(MCU_CLI_SYSINIT_STAGE)'