devices: vsock: replace byteorder with from_le_bytes()
devices: vsock: replace byteorder with from_le_bytes()

BUG=None
TEST=cargo test -p devices vsock

Change-Id: I9da35f894898198413737f9caa29a7f772e4f720
Signed-off-by: Daniel Verkamp <72bc170b46ec491f7bdd4359a1c0bfed274de40c@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1761153
Tested-by: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>
Reviewed-by: Zach Reizner <3374927928a53d04457674c546bd4de57c2044ec@chromium.org>

google/crosvm,google/crosvm,google/crosvm,google/crosvm