zynq-zc702-adv7511.dts: Update device tree

Likewise Commit abdb1e4419a1b4d3ac4032491c9e7a522dab8acd
ASoC: adv7511_hdmi: Get codec adapter from devicetree

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Merge branch 'xcomm_zynq' of git://github.com/analogdevicesinc/linux into xcomm_zynq
Revert "Move virtual mappings into vmalloc space"

This reverts commit 896b96175579d33605ab86b0d3bdd234bebb5195.

No longer needed because CMA is now used instead to allocate
the frame buffer.