README: add line wrap for line containing more than 100 characters.

To respect the coding rule and improve the readme read, wrap long lines

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>

README.md

@@ -251,7 +251,8 @@ In order to user OpenAMP(RPMsg) in Linux userspace, you will need to have put th
   https://github.com/OpenAMP/open-amp/blob/main/apps/machine/zynqmp/openamp-linux-userspace.dtsi
 
 ## Version
-The OpenAMP version follows the set of rule proposed in [Semantic Versioning specification](https://semver.org/).
+The OpenAMP version follows the set of rule proposed in
+[Semantic Versioning specification](https://semver.org/).
 
 ## Supported System and Machines
 For now, it supports:
@@ -269,37 +270,47 @@ For now, it supports:
    it doesn't work on some systems if you are normal users.
 
 ## How to contribute:
-As an open-source project, we welcome and encourage the community to submit patches directly to the project. As a contributor you  should be familiar with common developer tools such as Git and CMake, and platforms such as GitHub.
+As an open-source project, we welcome and encourage the community to submit patches directly to the
+project. As a contributor you  should be familiar with common developer tools such as Git and CMake,
+and platforms such as GitHub.
 Then following points should be rescpected to facilitate the review process.
 
 ### Licencing
-Code is contributed to the Linux kernel under a number of licenses, but all code must be compatible with version the [BSD License](https://github.com/OpenAMP/open-amp/blob/main/LICENSE.md), which is the license covering the OpenAMP distribution as a whole. In practice, use the following tag instead of the full license text in the individual files:
+Code is contributed to the Linux kernel under a number of licenses, but all code must be compatible
+with version the [BSD License](https://github.com/OpenAMP/open-amp/blob/main/LICENSE.md), which is
+the license covering the OpenAMP distribution as a whole. In practice, use the following tag
+instead of the full license text in the individual files:
 
     ```
     SPDX-License-Identifier:    BSD-3-Clause
     SPDX-License-Identifier:    BSD-2-Clause
     ```
 ### Signed-off-by
-Commit message must contain Signed-off-by: line and your email must match the change authorship information. Make sure your .gitconfig is set up correctly:
+Commit message must contain Signed-off-by: line and your email must match the change authorship
+information. Make sure your .gitconfig is set up correctly:
 
     ```
     git config --global user.name "first-name Last-Namer"
     git config --global user.email "yourmail@company.com"
     ```
 ### gitlint
-Before you submit a pull request to the project, verify your commit messages meet the requirements. The check can be  performed locally using the the gitlint command.
+Before you submit a pull request to the project, verify your commit messages meet the requirements.
+The check can be  performed locally using the the gitlint command.
 
 Run gitlint locally in your tree and branch where your patches have been committed:
 
       ```gitlint```
-Note, gitlint only checks HEAD (the most recent commit), so you should run it after each commit, or use the --commits option to specify a commit range covering all the development patches to be submitted.
+Note, gitlint only checks HEAD (the most recent commit), so you should run it after each commit, or
+use the --commits option to specify a commit range covering all the development patches to be
+submitted.
 
 ### Code style
 In general, follow the Linux kernel coding style, with the following exceptions:
 
 * Use /**  */ for doxygen comments that need to appear in the documentation.
 
-The Linux kernel GPL-licensed tool checkpatch is used to check coding style conformity.Checkpatch is available in the scripts directory.
+The Linux kernel GPL-licensed tool checkpatch is used to check coding style conformity.Checkpatch is
+available in the scripts directory.
 
 To check your \<n\> commits in your git branch:
    ```
@@ -310,7 +321,8 @@ To check your \<n\> commits in your git branch:
 We use standard github mechanism for pull request. Please refer to github documentation for help.
 
 ## Communication and Collaboration
-[Subscribe](https://lists.openampproject.org/mailman3/lists/openamp-rp.lists.openampproject.org/) to the OpenAMP mailing list(openamp-rp@lists.openampproject.org).
+[Subscribe](https://lists.openampproject.org/mailman3/lists/openamp-rp.lists.openampproject.org/) to
+the OpenAMP mailing list(openamp-rp@lists.openampproject.org).
 
 For more details on the framework please refer to the
 [OpenAMP Docs](https://openamp.readthedocs.io/en/latest/).