vdpa/octeon_ep: Use 4 bytes for mailbox signature

The upper 4 bytes are reserved by the firmware for
storing meta data. Use only lower 4 bytes to update
the signature details.

Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20260224095226.1001151-3-schalla@marvell.com>
This commit is contained in:
Vamsi Attunuru 2026-02-24 15:22:24 +05:30 • committed by Michael S. Tsirkin
commit d42eadf796