target/i386: Add the query-sgx-capabilities QMP command

Libvirt can use query-sgx-capabilities to get the host
sgx capabilities to decide how to allocate SGX EPC size to VM.

Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20210910102258.46648-3-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
6 files changed