arm64: Expose ARM64_CORE_REG() for general use

Expose the macro such that it may be used to get SMCCC arguments in a
future change.

Reviewed-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
2 files changed