drivers/iio/adc/cf_axi_jesd204b_gt: Revise register clock names

Avoid ROOT clocks.
Register clocks with names provides by clock-output-names.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
drivers/iio/dac/ad5446: IIO dev name allow of_node->name

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Merge branch 'xcomm_zynq' of https://github.com/analogdevicesinc/linux into xcomm_zynq