arm64/sysreg: Update ID_AA64FPFR0_EL1 to DDI0601 2024-09

DDI0601 2024-09 defines two new feature flags in ID_AA64FPFR0_EL1
describing new FP8 operations, describe them in sysreg.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20241211-arm64-2024-dpisa-v4-3-0fd403876df2@kernel.org


Signed-off-by: Will Deacon <will@kernel.org>