Add NVMM accelerator: configure and build logic

Signed-off-by: Kamil Rytarowski <kamil@NetBSD.org>
Signed-off-by: Reinoud Zandijk <reinoud@NetBSD.org>

Message-Id: <20210402202535.11550-2-reinoud@NetBSD.org>
[Check for nvmm_vcpu_stop. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
5 files changed