Relicense Yocto/OE-related files to MIT

It was proposed and approved in #824 to relicense the Yocto/OE files in
this repository to MIT. This will make collaboration with the upstream
easier.

Fixes: eclipse/oniro-core/oniro#824



Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

flavours/freertos/conf-notes.txt.license

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT

flavours/freertos/local.conf.sample

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 #
 # This file is your local configuration file and is where all local user settings

flavours/linux/bblayers.conf.sample

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 # If you are changing bblayers.conf.sample and introduce an incompatible
 # change (like adding new layers), increment the ONIRO_LAYERS_CONF_VERSION value

flavours/linux/conf-notes.txt.license

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT

flavours/linux/local.conf.sample

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 #
 # This file is your local configuration file and is where all local user settings

flavours/zephyr/conf-notes.txt.license

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT

flavours/zephyr/local.conf.sample

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 #
 # This file is your local configuration file and is where all local user settings

meta-oniro-core/README.md

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 # Introduction
 

meta-oniro-core/classes/oniro-debug-common.bbclass

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 IMAGE_INSTALL:append = "\
     packagegroup-net-tools \

meta-oniro-core/classes/oniro-debug-linux.bbclass

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 inherit oniro-debug-common

meta-oniro-core/classes/oniro-debug-zephyr.bbclass

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 inherit oniro-debug-common

meta-oniro-core/classes/oniro-image.bbclass

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 # Oniro Project functionality for images
 

meta-oniro-core/classes/oniro-sanity.bbclass

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 # Deprecated collections can be either completely removed or replaced by
 # another layer. The format of ONIRO_DEPRECATED_COLLECTIONS is a list of

meta-oniro-core/classes/oniro-user.bbclass

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 # Add a new user named oniro with default password oniro
 inherit extrausers

meta-oniro-core/classes/writables.bbclass

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 # This class provides support for defining, at the level of the recipe, the
 # required writable paths. It provides support for maintaining persistent or

meta-oniro-core/classes/zmk.bbclass

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 inherit autotools
 

meta-oniro-core/conf/distro/include/oniro-packageconfig.inc

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 # Define the configuration set as per our distro policy
 PACKAGECONFIG:pn-networkmanager = "nss systemd bluez5 wifi nmcli"

meta-oniro-core/conf/distro/include/oniro-wic.inc

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 # WIC configuration definitions that are meant to be common across the
 # supported devices. This configuration is taking into consideration OTA design

meta-oniro-core/conf/distro/include/oniro.inc

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 ONIRO_FLAVOUR = "${@'${ONIRO_FLAVOUR_PRETTY}'.lower()}"
 DISTRO = "oniro-${ONIRO_FLAVOUR}"

meta-oniro-core/conf/distro/oniro-freertos.conf

 # SPDX-FileCopyrightText: Huawei Inc.
 #
-# SPDX-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: MIT
 
 require conf/distro/freertos.conf
 require conf/distro/include/oniro.inc