2nd set of IIO fixes for 5.16

Note 1st set were before the merge window.

Biggest set in here fix what happens when things go wrong in
the interrupt handlers for an IIO trigger.

Otherwise normal mix of recent and ancient bugs.

trigger core
 - Fix reference counting bug that was preventing the iio_trig
   structures from being released.
adxrs290
 - Correctly sign extend the rate and temperature data.
at91-sama5d2
 - Fix sign extension from the wrong bit and use the scan_type
   values to avoid it being open coded in two places (which were
   out of sync)
axp20x_adc
 - Fix current reporting bit depth.
dln2-adc
 - Fix a lock ordering issue and lockdep complaint that results.
 - Add error handling for failure to register the trigger.
imx8qxp
 - Wrong config dependency
kxcjk-1013
 - Potential leak due to wrong guard on cleanup.
ltr501, kxsd9, stk3310, itg3200, ad7768
 - Don't return error codes from interrupt handler and call
   iio_trigger_notify_done() on all paths to avoid leaving
   trigger disabled on an intermittent fault.
mma8452
 - Fix missing iio_trigger_get() that could lead to use after free.
stm32
 - Fix a current leak.
 - Avoid null pointer derefence on defer_probe error due to wrong
   struct device being passed.
stm32-timer
 - Drop space in MODULE_ALIAS.
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