arm64/sve: Generate ZCR definitions

Convert the various ZCR instances to automatic generation, no functional
changes expected.

Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20220510161208.631259-13-broonie@kernel.org


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