iio: adc: Added ad7091r5 driver

Signed-off-by: Paul Cercueil <paul.cercueil@analog.com>
arch/microblaze/boot/dts/vc707_*: Update EMC CFI-flash partition settings

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