arm64/sme: Generate SMPRI_EL1 definitions

Convert SMPRI_EL1 to be generated. No functional change.

Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20220510161208.631259-11-broonie@kernel.org


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