KVM: arm64: Provide sanitized SYS_ID_AA64SMFR0_EL1 to nVHE

We will need a sanitized copy of SYS_ID_AA64SMFR0_EL1 from the nVHE EL2
code shortly, so make sure to provide it with a copy.

Signed-off-by: Quentin Perret <qperret@google.com>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230201103755.1398086-2-qperret@google.com


Signed-off-by: Oliver Upton <oliver.upton@linux.dev>