[arm64] Enable ARM_CCA_GUEST as module
The module is needed to run Debian in a protected VM under the Arm Confidential Compute Architecture (CCA).
See https://lore.kernel.org/kvm/20240701095505.165383-1-steven.price@arm.com/
The module is needed to run Debian in a protected VM under the Arm Confidential Compute Architecture (CCA).
See https://lore.kernel.org/kvm/20240701095505.165383-1-steven.price@arm.com/