dmaengine: idxd: idxd: move remove() bits for idxd 'struct device' to device.c

mainline inclusion
from mainline-v5.15
commit 745e92a6
category: feature
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I596WO


CVE: NA

Intel-SIG: commit 745e92a6 dmaengine: idxd: idxd: move remove() bits for idxd 'struct device' to device.c.
Incremental backporting patches for DSA/IAA on Intel Xeon platform.

--------------------------------

Move the code related to a ->remove() function for the idxd
'struct device' to device.c to prep for the idxd device
sub-driver in device.c.

Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/162637464768.744545.15797285510999151668.stgit@djiang5-desk3.ch.intel.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Xiaochen Shen <xiaochen.shen@intel.com>