DDI0601 2023-09 defines a new feature register ID_AA64FPFR0_EL1 which
enumerates a number of FP8 related features. Add a definition for it.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Fuad Tabba <tabba@google.com>
Link: https://lore.kernel.org/r/20231209-b4-arm64-sysreg-additions-v1-8-45284e538474@kernel.orgSigned-off-by: Will Deacon <will@kernel.org>