KVM: arm64: enable KVM_CAP_SET_GUEST_DEBUG

Finally advertise the KVM capability for SET_GUEST_DEBUG. Once arm
support is added this check can be moved to the common
kvm_vm_ioctl_check_extension() code.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

diff --cc Documentation/virtual/kvm/api.txt
Simple merge

diff --cc arch/arm64/include/asm/hw_breakpoint.h
Simple merge

diff --cc arch/arm64/include/asm/kvm_host.h
Simple merge

diff --cc arch/arm64/kernel/hw_breakpoint.c
Simple merge

diff --cc arch/arm64/kvm/debug.c
Simple merge

diff --cc arch/arm64/kvm/guest.c
Simple merge

diff --cc arch/arm64/kvm/handle_exit.c
Simple merge

diff --cc arch/arm64/kvm/reset.c
Simple merge