dmaengine fixes for v6.9

Driver fixes for:
 - Revert pl330 issue_pending waits until WFP state due to regression
   reported in Bluetooth loading
 - Xilinx driver fixes for synchronization, buffer offsets, locking and kdoc
 - idxd fixes for spinlock and preventing the migration of the perf
   context to an invalid target
 - idma driver fix for interrupt handling when powered off
 - Tegra driver residual calculation fix
 - Owl driver register access fix
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