dmaengine: idxd: cleanup pci interrupt vector allocation management

dmaengine: idxd: cleanup pci interrupt vector allocation management

[ Upstream commit 5fc8e85ff12ce0530ac658686902a0ee64600f56 ]

The devm managed lifetime is incompatible with 'struct device' objects that
resides in idxd context. This is one of the series that clean up the idxd
driver 'struct device' lifetime. Remove devm managed pci interrupt vectors
and replace with unmanged allocators.

Reported-by: Jason Gunthorpe <jgg@nvidia.com>
Fixes: bfe1d56091c1 ("dmaengine: idxd: Init and probe for Intel data accelerators")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/161852983563.2203940.8116028229124776669.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>