KVM: arm64: Use {read,write}_sysreg_el1 to access ZCR_EL1

Switch to the unified EL1 accessors for ZCR_EL1, which will make
things easier for nVHE support.

Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
2 files changed