Various changes in preparation for integration with meta-oniro-core

This introduces a number of changes with the purpose of making it possible to integrate meta-openharmony with meta-oniro-core, and consequently other projects bringing their own distro and machine configurations.

Related to eclipse/oniro-core/meta-openharmony#25

requested review from @robertd and @thierrye

assigned to @esben

changed the description

approved this merge request

approved this merge request

resolved all threads

added 12 commits

• 4de682dc - openharmony-standard: Use flex and bison tools from recipe-sysroot-native
• 3c4a6f2f - openharmony-standard: Fix another host OS flex dependency
• e43b3215 - bitbake-builder: Remove flex and bison host OS tools
• 462af3d7 - oniro-openharmony-linux.conf: Prepare use with other distros
• 09cd0946 - oniro-openharmony-linux.conf: Add openharmony override
• 501e1bc5 - musl: Switch to distro-neutral openharmony override
• f147e23c - linux-libc-headers: Switch to distro-neutral openharmony override
• cf4aff55 - linux-yocto: Switch to distro-neutral openharmony override
• 38aa020a - gn: Switch to distro-neutral openharmony override
• d885f301 - openharmony: Drop distro override in java-tools.include
• 45cb8048 - openharmony: Fix undefined variable in java-tools.inc
• b66abe91 - openharmony: Fix path to musl loader on armhf targets

Compare with previous version

resolved all threads

enabled an automatic merge when the pipeline for b66abe91 succeeds

mentioned in commit d55a0810

merged