KVM: arm/arm64: vgic: move GICv2 registers to their own structure

In order to make way for the GICv3 registers, move the v2-specific
registers to their own structure.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

diff --cc arch/arm/kernel/asm-offsets.c
Simple merge

diff --cc arch/arm/kvm/interrupts_head.S
Simple merge

diff --cc arch/arm64/kernel/asm-offsets.c
Simple merge

diff --cc arch/arm64/kvm/hyp.S
Simple merge

diff --cc include/kvm/arm_vgic.h
Simple merge

diff --cc virt/kvm/arm/vgic.c
Simple merge