arm64: KVM: PSCI implementation

Wire the PSCI backend into the exit handling code.

Reviewed-by: Christopher Covington <cov@codeaurora.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
(cherry picked from commit dcd2e40c1e1cce302498d16d095b0f8a30326f74)
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
4 files changed