Add support for cross build using meson

[jonaskarp]

Specify library name and version: xkbcommon/*

This pull request should allow cross building xkbcommon using conans meson implementations.

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• I've read the guidelines for contributing.
• I've followed the PEP8 style guides for Python code in the recipes.
• I've used the latest Conan client version.
• I've tried at least one configuration locally with the conan-center hook activated.

[CLAassistant]

All committers have signed the CLA.

[conan-center-bot]

Sorry, the build is only launched for Access Request users. You can request access writing in this issue.

[ghost]

I detected other pull requests that are modifying xkbcommon/all recipe:

• xkbcommon: Switch to MesonToolchain to allow cross-compilation #11636

This message is automatically generated by https://github.com/ericLemanissier/conan-center-conflicting-prs so don't hesitate to report issues/improvements there.

[stale]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[stale]

This pull request has been automatically closed because it has not had recent activity. Thank you for your contributions.