octeontx2-pf: Disable packet I/O for graceful exit

stable inclusion
from stable-v5.10.180
commit ea7453f5e5b6305e3d0e349f7d332aca7ee73465
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8FC2O

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=ea7453f5e5b6305e3d0e349f7d332aca7ee73465



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[ Upstream commit c9262522 ]

At the stage of enabling packet I/O in otx2_open, If mailbox
timeout occurs then interface ends up in down state where as
hardware packet I/O is enabled. Hence disable packet I/O also
before bailing out.

Fixes: 1ea0166d ("octeontx2-pf: Fix the device state on error")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: Sai Krishna <saikrishnag@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>