arm64/hwcap: Define hwcaps for 2023 DPISA features

The 2023 architecture extensions include a large number of floating point
features, most of which simply add new instructions. Add hwcaps so that
userspace can enumerate these features.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240306-arm64-2023-dpisa-v5-6-c568edc8ed7f@kernel.org


Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>