Pull devicetree fixes from Rob Herring:

 - Fix fw_devlink failure with ".*,nr-gpios" properties

 - Doc link reference fixes from Mauro

 - Fixes for unaligned FDT handling found on OpenRisc. First, avoid
   crash with better error handling when unflattening an unaligned FDT.
   Second, fix memory allocations for FDTs to ensure alignment.

* tag 'devicetree-fixes-for-5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  of: property: fw_devlink: do not link ".*,nr-gpios"
  dt-bindings:iio:adc: update motorola,cpcap-adc.yaml reference
  dt-bindings: fix references for iio-bindings.txt
  dt-bindings: don't use ../dir for doc references
  of: unittest: overlay: ensure proper alignment of copied FDT
  of: properly check for error returned by fdt_get_name()