Align meta-renesas-rcar-gen3 on Renesas R-Car BSP v3.21.0 For GG

Done

Yes.

@@Jan-Simon Moeller: Can you also tag the renesas upstream commit

#git checkout -b github/rocko  ad3a8cfee5b6a6fab17cf1c6e5af851eaec75bd7

#git tag Renesas-Yocto-v3.21.0

#git push --tags

Thanks a lot.

@@Jan-Simon Moeller: Hi can you merge those reviews before  7.0.4? thanks

Workflow to update RCAR BSP to 3.21 on 

Renesas R-Car BSP v3.21.0 is ready to be merge to AGL GG

Task :

https://gerrit.automotivelinux.org/gerrit/q/topic:%22SPEC-2786%22+(status:open%20OR%20status:merged)

(topic: 

WARNING: Only @Jan-Simon Moeller can do the steep 1), without this steep, step2) will always fails.

1) meta-renesas-rcar-gen3:

git checkout  guppy

git reset --hard sandbox/ronan/gg_RCAR_BSP_3.21

git push --force agl guppy

2) meta-agl:

gerrit review is:

https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/22279

Fill free to add comment, if you like.

3) AGL-repo

https://gerrit.automotivelinux.org/gerrit/c/AGL/AGL-repo/+/22278