UBUNTU: SAUCE: {topost} net: hns3: fix comments for hclge_get_ring_chain_from_mbx

UBUNTU: SAUCE: {topost} net: hns3: fix comments for hclge_get_ring_chain_from_mbx

BugLink: https://bugs.launchpad.net/bugs/1768670
Actually, hclge_get_ring_chain_from_mbx is used to get ring type, tqp id,
and int_gl index from mailbox message. So the comments is incorrect. This
patch fixes it.

Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: dann frazier <dann.frazier@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>