[Virt] StratoVirt 删除不需要的qmp features属性和pl031设备按字节数读写数据

Attachments:

• 0002-pl031-Make-read-buffer-length-adaptive.patch (application/octet-stream — 1.7 KB)
• 0001-machine_manager-remove-all-qmp-features-attribute.patch (application/octet-stream — 18.5 KB)
• attachment.htm (text/html — 1.8 KB)