[PATCH] arm64: smccc: Remove broken support for SMCCCv1.3 SVE discard hint

[Mark Brown]

On Wed, Nov 06, 2024 at 04:04:48PM +0000, Mark Rutland wrote:
> SMCCCv1.3 added a hint bit which callers can set in an SMCCC function ID
> (AKA "FID") to indicate that it is acceptable for the SMCCC
> implementation to discard SVE and/or SME state over a specific SMCCC
> call. The kernel support for using this hint is broken and SMCCC calls
> may clobber the SVE and/or SME state of arbitrary tasks, though FPSIMD
> state is unaffected.

Reviewed-by: Mark Brown <broonie at kernel.org>
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