vfs-arm64-1:add vfs2-syscall support to Arm64
vfs-arm64-1:add vfs2-syscall support to Arm64

  Add vfs2-syscall support to Arm64

Signed-off-by: Bin Lu <41939a7239578d75c9fd5382ed581915f2bfc9f1@arm.com>

google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor