KVM: arm/arm64: Convert kvm_host_cpu_state to a static per-cpu allocation

KVM: arm/arm64: Convert kvm_host_cpu_state to a static per-cpu allocation

BugLink: http://bugs.launchpad.net/bugs/1756096
kvm_host_cpu_state is a per-cpu allocation made from kvm_arch_init()
used to store the host EL1 registers when KVM switches to a guest.

Make it easier for ASM to generate pointers into this per-cpu memory
by making it a static allocation.

Signed-off-by: James Morse <james.morse@arm.com>
Acked-by: Christoffer Dall <cdall@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit 36989e7fd386a9a5822c48691473863f8fbb404d)
Signed-off-by: Manoj Iyer <manoj.iyer@canonical.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>