arm: platfrom: zynq-zed-adv7511-xcomm: update device tree

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Merge branch 'xcomm_zynq' of https://github.com/analogdevicesinc/linux into xcomm_zynq
arch:arm:zynq:platfrom:xcomm use xlnx,axi-iic update device trees.

Enable IIO ADC/DAC in kernel config.
Update xcomm zc706 use sg dma.

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