pds_core: check health in devcmd wait

[ Upstream commit f7b5bd72 ]

Similar to what we do in the AdminQ, check for devcmd health
while waiting for an answer.

Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: dfd76010 ("pds_core: remove write-after-free of client_id")
Signed-off-by: Sasha Levin <sashal@kernel.org>