KVM: x86: move device assignment out of kvm_host.h

Create a new header, and hide the device assignment functions there.
Move struct kvm_assigned_dev_kernel to assigned-dev.c by modifying
arch/x86/kvm/iommu.c to take a PCI device struct.

Based on a patch by Radim Krcmar <rkrcmark@redhat.com>.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --cc arch/x86/include/asm/kvm_host.h
Simple merge

diff --cc arch/x86/kvm/assigned-dev.c
Simple merge

diff --cc arch/x86/kvm/assigned-dev.h
Simple merge

diff --cc arch/x86/kvm/iommu.c
Simple merge

diff --cc arch/x86/kvm/x86.c
Simple merge

diff --cc include/linux/kvm_host.h
Simple merge