fd24146 OvmfPkg/VirtioFsDxe: implement the wrapper function for FUSE_MKDIR

Authored and Committed by lersek 3 years ago
    OvmfPkg/VirtioFsDxe: implement the wrapper function for FUSE_MKDIR
    
    Add the VirtioFsFuseMkDir() function, for sending the FUSE_MKDIR command
    to the Virtio Filesystem device.
    
    Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
    Cc: Jordan Justen <jordan.l.justen@intel.com>
    Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
    Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3097
    Signed-off-by: Laszlo Ersek <lersek@redhat.com>