[TF-A] RFE: GIC workaround for NVIDIA erratum T241-FABRIC-4

Hi,

I would like to get some feedback on the gicv3 workaround [1] for NVIDIA erratum T241-FABRIC-4. The commit description describes the erratum and the fix in detail.

The patch is only to start a dialogue and gather feedback on the way forward.

Please advise.

Thanks.

[1] fix(gicv3): workaround for NVIDIA erratum T241-FABRIC-4 (I04e33ba6) * Gerrit Code Review (trustedfirmware.org)https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/19969