This patch introduces basic cpufeature support for discovering the presence
of the Scalable Matrix Extension.
Signed-off-by: NMark Brown <broonie@kernel.org>
Reviewed-by: NCatalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220419112247.711548-9-broonie@kernel.orgSigned-off-by: NCatalin Marinas <catalin.marinas@arm.com>