dmaengine: idxd: Add missing idxd cleanup to fix memory leak in remove call

The remove call stack is missing idxd cleanup to free bitmap, ida and
the idxd_device. Call idxd_free() helper routines to make sure we exit
gracefully.

Fixes: bfe1d560 ("dmaengine: idxd: Init and probe for Intel data accelerators")
Cc: stable@vger.kernel.org
Suggested-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: Shuai Xue <xueshuai@linux.alibaba.com>
Reviewed-by: Fenghua Yu <fenghuay@nvidia.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20250404120217.48772-9-xueshuai@linux.alibaba.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>