aarch64: smccc: Start sending PSCI to userspace

kvmtool now has a PSCI implementation that complies with v1.0 of the
specification. Use the SMCCC filter to start sending these calls out to
userspace for further handling. While at it, shut the door on the
legacy, KVM-specific v0.1 functions.

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